Types of barrel contours Mar 25, 2024 · SOCOM barrels often have a slot for attaching a grenade launcher and provide a balance between strength and weight. Nov 22, 2015 · If you’d like to see the weights and dimensions of the standard contours I mentioned (like Heavy Palma, Remington Vamint, Medium Palma, MTU, M24, and Heavy Varmint), here is a good resource that I reference all the time for those details: Bartlein Barrel Contours. 00 charge. T he style or number of grooves has no real bearing on accuracy and or barrel life. 250x 5. Price will be the same as 6 groove barrels. 625" nominally at the muzzle(26"). Most of the supermatch . Delivery time: Update January 2025 we’re now running about 12-14 weeks for made-to-order barrels. 9lbs up to 7. Estimating Weights. Also known as the M40A1 or USMC contour. These heavier lines which are normally twice the gauge of the standard contours are called the index conto There are just too many variations in contours, calibers, twists, number of grooves and two different steel types to keep barrels on hand waiting for an order. 25" straight pipe has compared to a tapered barrel, even in an MTU contour Jun 29, 2011 · So im doing a Remington 700 SA . The #5-9 and #14-15 Barrel contours are the heavier contours that Bartlein offers. We will also talk about matching up barrel features to intended purposes. Check out this link to see a few different examples of barrel contour specifications. 5 creedmoor barrel is an MTU, which is definitely on the stout side (which I like). Guides @ TFB: Best Pistol for Concealed Carry The 5 Best Full-Size Handguns The Top 5 Best Rifles & Long Jul 29, 2012 · We have terms for barrel contours that sometimes confuse us, so I can see how it would be really confusing to someone from Sweden. 3) Pros and cons of bull, standard, and featherweight barrel contours. Ironically, the hallmark of the early AR and subsequent AR-15 was a very thin barrel as the gun was developed by ArmaLite, a subsidiary of a big player in the aviation industry, one in which every ounce mattered. Also take into account what finish length the barrel will be. Will one barrel deal with heat better vs the other? How about Nov 19, 2021 · Like the HBAR barrel profile, the bull barrel, while the added material improves accuracy, what you’re installing into your AR15 is extra weight. Feb 10, 2025 · Some AR Barrel contours, notably the spaghetti and lightweight, will have a step near the muzzle (on threaded barrels) to increase diameter slightly to maintain enough of a contact surface for a muzzle device. com Apr 5, 2017 · In a 30" barrel, that typically means MTU or HV contour at the heavy end of the scale. AR-15 Barrel Profile Guide: Choosing the Best Options May 7, 2021 · Pencil barrels were the original barrel profile for the AR-15/M16 as designed by Eugene Stoner, Jim Sullivan and Bob Fremont. What Is a Flush or Flat Cross Section Contour? For example a weld with a flush (or flat) contour looks like this: Jul 4, 2013 · I am debating between a Bartlein #3 for my 30-06 build or a 1. M. This is generally referred to as barrel contours or profiles. stainless blanks; carbon blanks; full bore target rifle (ftr) blanks; prefits. Jun 17, 2007 · 55 years ago we did allot of things that weren t necessarily good ideas. 7 Pounds) Caliber/Cartridge 22 Long Rifle; Twist Rate 1-16" Chambering *Bentz Chamber *The Bentz chamber is a match-type chamber for semi-autos. 56 Government 1:7 Twist Black Nitride Midlength Barrel. I did notice the cylinder section at the breech of the Palma Contours varied some for the Krieger barrels (Krieger’s was 1/2″ shorter than what is shown here). gas block Sporter Barrel Contours. 565 thick which seems similar to #2 contour pac nor barrels. 46 and ar750 to 3. Unfortunately, stress relieving and heat treating of the era weren’t what they are now. ). Light palma or Rem Sendero contours which are on the light side of medium for hunting or hiking and some tactical match shooting where a lot of walking and/or positional shooting is done. 22 caliber rimfire drop-in barrels and we usually do have a few extra barrels on the shelf that are available for immediate delivery (see list below). Jan 25, 2015 · The Savage sporter barrels are pretty thin and end about . The barrel has a finished length 28" not including the brake. The steel barrel was about 6 oz. 875 forward of the gas block. I want nothing to do with sporter contour barrels though. Contour Construction | Commercial Carpentry In Omaha. No fluting, no carbon fiber. Oct 29, 2012 · Barrel contours are typically selected to match the intended use of the rifle. Sep 27, 2024 · Barrels fall into three general “profile” types– lightweight, government, and heavy. 30 caliber and smaller. 25″ in diameter. Delivery time: Update January 2025 we’re now running about 14 weeks for made-to-order barrels. This barrel pairs a proven government profile with modern upgrades, including a black nitride finish for corrosion resistance and a mid-length gas system for smooth cycling and reduced recoil. Keep in mind that the barrel will be . Some shots will be off hand. Action Type: The Remington 700 comes in different action types, such as short action, long action, or magnum action. They include AR type and . 1/2 lb. Aug 29, 2024 · Some barrels are tapered, which can improve balance and handling and reduce weight. 338 Norma we put together, Manners EH-1A, Stiller TAC338 action, and 28" Carbon six barrel. 1) What barrel harmonics are and how they impact accuracy and precision. REM 700 Sporter Contours. 730”). * You must cut 1" off each end of the barrel. . If a barrel has a lot of residual stress in it (this is common in button made barrels) and as you shoot it the barrel gets hot and you make no adjustments to the scope/sights. Fluted and Custom Contour Barrels Source: internationalbarrels. 22 caliber Mar 15, 2008 · Barrel Contour thats right for you depends on many things, Caliber, Type of shooting, as well as Break, here are a few examples. KRIEGER 7MM #4. 0 pounds! Jan 15, 2021 · This barrel type was created to address a barrel bending problem that didn’t occur. The shape of some types of welds can also be flush, convex or concave. Barrel contours may vary slightly from one manufacturer to another, but for the May 27, 2003 · I think the Sendero (#6ish depending on barrel maker) Contour is about when you start seeing better accuracy in larger calibers say bigger than . C. The MTU barrel has a muzzle diameter of 0. Choose from our catalog of popular contours, copy your existing barrel or create a custom contour. pdf CAD drawing file click on the orange Designation in the left column. heavier than the carbon wrapped one. Aug 24, 2014 · Medium contours for various types of rifle shooting where weight and balance are a concern. The Government profile is still popular because the M4 profile is still used, although it doesn’t offer much advantage besides We break down different Barrel Contours in how their shapes determine what they are and the specifications for how to order custom Varmints as well as custom Jun 21, 2023 · What Do Rifle Barrel Profiles and Contours Mean? Barrels come in all different contours and thicknesses. It determines the weight, stiffness, and balance of the rifle, affecting its accuracy and performance. Dimension "C" is the barrel diameter at dimension "F". Reminder: * The stamped end of the barrel is the chamber end. This guide will break down the confusing world of barrels and what features really matter. In some cases, rigidity is of paramount concern so the barrel is made heavy and not too long. However we do stock three types of barrels. 308 long range build and am at the point now where i want a good match grade barrel but have no idea what barrel contour i should be looking at. 3 lb, the 30" MTU contour barrel weighs 7. 5” M4A1 SOCOM barrel . Sporter barrels are intended to be used for big game hunting and casual target practice. REM 700 Sporter. They have a consistent taper across the entire barrel without very visible steps or slopes. Heavy Palma, M24/M40, MTU or even Heavy Varmint contours is what I would recommend. We are able to confidently say this after receiving feedback from ammunition and bullet manufactures using actual test barrels. Jun 28, 2024 · What are the 3 types of contour lines? As a Cruise Director, I often encounter questions about the different types of contour lines. The pencil barrel is the original profile for the AR-15. The weights are calculated from a solid model Delivery time: Update January 2025; we’re now running about 12 weeks for made-to-order barrels. Rifle Barrel Length In episode 6 of our Hart Custom Series, Jon and Bobby discuss barrel options and the effects barrel weight, contour, fluting and coatings can all make a diff Each type of steel has strengths and weaknesses. So if you like the contour you currently have you could get the same one. Much will depend on the weight of the other components in your rig (scope, bipod, stock, action, etc. barrel stamp . 750" nominally at the muzzle(24" models). But with rifles, for which the barrel is often the largest and heaviest component, the overall shape of the barrel can take many different forms. 5” FBI HRT For long range shooting, what are some good barrel manufacturers, contours, and steel types? This would be for a Remington 700. 5″ long barrel for the M4 with a . Is it just a middle of the road profile between match and lightweight? I had a 26” carbon barrel in sendero contour, and a fluted steel barrel 26” long in a #5 contour, spun up for the same action. 224 caliber and 24″ length m4 lightweight 16. 5 Contour Sep 20, 2022 · At a minimum, that means the same barrel length, the same steel, the same type of rifling, the same chamber/bore treatment and particularly the same chamber. 00 taper to . Each type of steel has strengths and weaknesses. 980”) stepping down to a narrower end half OD of the barrel (. Aug 3, 2023 · The most common types of barrel contours are straight, tapered, and fluted. Fixed Shoulder barrels offer our largest contour selection, from light to our heaviest contours such as MTU or M24 as well as Palmas, Varmints, Sporters, and our Taperless series. Types of Contour Lines in Surveying and their Importance. 5″ military M4 barrel, but more often slightly extended to 16″ for legal civilian use. The next size going larger is what is commonly called the "Medium Heavy" Barrel. The #4 contour can be fluted in . The SOCOM Heavy on the other hand has a a straight contour after the shank measuring . We offer three different types of rifling. There may be other minor variances among manufacturers. The heavy "bull" barrel provides a lot of stability, especially on a well designed rest, but it would be ridiculous to select one of those for hunting in the field. Reg. The former is less expensive and a little easier to machine; the latter will have longer accuracy life and is more corrosion resistant. c. The M4 barrel is lightweight under the handguards, until just before the gas port. rimfire prefits; rimfire drop-in; semi-auto/straight-pull. The unique appearance of our Spiral Fluting provides the discriminating shooter with a barrel that not only looks great but is up to thirty percent more rigid The contour of the barrel can affect various aspects of a rifle's performance, including accuracy, weight, and heat dissipation. Jan 16, 2012 · The Remington varmint contour is a very common offering from most barrel makers. A straight contour provides a consistent weight and thickness throughout the barrel, while a tapered contour gradually narrows towards the Mar 9, 2025 · Profile Types (Contours) A barrel’s profile refers to the thickness and contour of the metal along its length, influencing everything from handling and weight to heat dissipation and accuracy. No. The most common types of barrel contours are straight, tapered, and fluted. Noveske medium contour 16” RECON barrel . Both barrels in the pictures will finish at 21". 5 lb, so 2" extra barrel and the thicker contour was worth about 1. Apr 29, 2024 · AR-15 barrel contours differ in their thickness and weight, with options ranging from lightweight, government, heavy, and bull barrels. Feb 14, 2014 · I've personally turned down or had turned down 6 different button rifled barrels and had maybe 10 fluted and a couple turned down AND fluted after the fact. Apr 11, 2022 · Pac-Nor’s Barrel Weight Calculator is pretty sophisticated, with separate data fields for Shank Diameter, Barrel Length, Bore Diameter — even length and number of flutes. 4-groove, 5R, Conventional-5. 264. The original barrel was 0. Feb 2, 2025 · It’s as simple as that. Fluting a barrel will take weight out of the barrel because you are removing material from the barrel without changing the contour. Oct 14, 2022 · The hallways feature barrel ceilings that give castle-like vibes as you make your way to the dining room, bar, or locker rooms. 12 pounds in . Any suggestions would be highly appreciated. A heavier contour barrel will help resist the barrel moving/wandering as it heats up. 3" diameter shank to accomodate the larger action threads. Apr 20, 2024 · 95% of shooters were running 26” to 28” barrels. Trying to get into building my own rifle, just want some info to help find what type would work best for me Nov 27, 2011 · I would go with a 26", 4 or 5 contour, fluted, and here is why. They include AR type, . On request we can make barrels of #4 contour or larger up to a 30″ finish length (see pricing). Just for general frame of reference, a #2 is about the contour of a typical sporter barrel and a #3 is about the contour of a magnum sporter. 5 The barrel has an enormous effect on your range, accuracy, and precision and can make all the difference when hitting your target. The radius of the contoured section is 30″, tangent to the barrel at the “B” dimension point. 22 caliber Barrel Contour: Different Remington 700 models have varying barrel contours, so it's crucial to choose a stock that matches your specific model. Nov 30, 2022 · Cross Section Contours. 5 creedmoor is a braked 24" MTU contour barrel, and my 6BR variant is a 28" unbraked heavy varmint contour barrel. M24 contour falls just slightly lower in weight than a comparable MTU or HV barrel of the same length. -C. Preferred Barrels Contours Explained. Often retailers list a small number of barrels and options - it’s much better to go to the makers site. 6. There are many different barrel contours, but they can be broken down into three main groups: Lightweight; Medium; Heavy Profile. Oct 28, 2023 · All major barrel makers offer a huge variety of barrel contours - look carefully at barrel specs and you’ll see what’s available from different makers is very similar - not exactly industry standards, but close. Jan 15, 2021 · Here is another . Modern barrels are stress relieved during manufacture but that doesn t automatically mean you can start removing a bunch of metal and not have things go south on youand there is no way to predict that ahead of time. Most barrels for bench rest type barrels and hunting and varmint barrels are made from steel of about 1. Descriptions. The different contours can affect the balance, handling, and overall performance of the rifle. Nov 18, 2014 · The contours shown are for Bartlein barrels. Please be specific if you order a stock from us because if you order one cut for an M40 barrel contour it will be for the standard Mar 31, 2021 · Medium contour profiles were designed to provide a higher level of precision and heat tolerance than government profile profiles, without adding as much weight as a heavy barrel profile. At a minimum, I would run a 24-26" M24 or Heavy Palma rifle. Ask us a question today! Krieger Barrels manufactures custom, single-point cut-rifled barrels for bolt action, AR-15, AR-10, M1 Garand, M14, M1903 along with a variety of services. 22 caliber Dec 26, 2008 · What is the difference in the barrel contours between a heavy varmint and a palma. These barrels are available in any of our standard shapes. I just ordered a krieger barrel from Bruno for a 6. 5) Why certain cartridges need a longer barrel for best performance. Putting butter on burns was pretty common back then if I recall. Jul 10, 2016 · The ELW barrel is available with fluting as an option for further lightening. b. 150" nominally at the barrel's shoulder and 0. 3 lb extra weight. 5 CM with a HV 17 barrel. The first picture below is of a straight taper barrel (closely mimics a 52D type contour). At Shaw Custom Barrels we offer two types of rifle barrel fluting for you to choose from - Traditional Straight Fluting and Shaw’s Trademarked Spiral Fluting (U. XP Contours XP-100 Type Contours Unless otherwise noted all of these profiles are 15″ long with all of the barrel usable. Punch in your numbers, and the Barrel Weight Calculator then automatically generates the weight for 16 different “standard” contours. M is also needed for customers wanting to "blue" the steel. 850” throughout the length of the barrel (except for the journal). May 4, 2020 · Barrel contours are personal preference. 4 lbs. Make sure that the stock design meets the action type of your rifle. is more likely to rust if not properly cleaned and stored. Dec 1, 2021 · A sporter barrel is a rifle barrel that is designed with a taper from a medium thickness in the barrel near the chamber, transitioning to a lighter thickness near the crown. 1V factory barrel is 1. weight. All barrel blanks are 1" longer for cutting and crowning. For typical handguns (with their short barrels), there isn’t that much more to it. Smaller the caliber the more meat on the barrel even in lighter contours so it doesn't seem to be the same. 223 barrels are . Oct 30, 2017 · Being a newbie in custom barrel selection i have a few questions: 1) what is a good contour for both brands? I need a good compromise that will give me reasonable stiffness and not too much weight. What is the niche for Palma profile barrels? They seems to come in a variety of weights/profiles as well. 93", think how much extra metal that 1. Krieger Barrels offers a wide variety of both standard and custom barrel contours for bolt action rifles as well as AR10, AR15, M1 Garand, M1A/M14 and service rifles. Jan 25, 2015 · The barrel will be getting a straight taper. I like heavier contours, and lightest I would go these days is a heavy palma. Jun 15, 2024 · Straight Taper/Match Contours . A barrel of this type is capable of nearly the same accuracy as a heavier barrel with the possible exception of multiple shots which we hope we don't need, right? The fluting on this size barrel will reduce the weight by approx. Most of the time, the taper narrows gradually toward the muzzle and can be employed on barrels of various weights, from heavy varmint hunter barrels to thinner “Pencil” type barrels, and it is sometimes so subtle that it’s difficult to notice. There are three main types of contour lines: … Aug 4, 2020 · Contour depends on what you are trying to do, and contours can vary between manufacturers. Do you know the differences between Tikka barrels?Watch now to learn more. 22 caliber Dec 16, 2024 · Barrel contour; Twist rate; Shooters should consider how these aspects affect their experience, including muzzle velocity, barrel contour, and the effectiveness of custom rifle barrels tailored to their preferences. The barrel will probably be 22" (I know I know 30-06 uses longer Aug 20, 2014 · This is a kind of a continuation from the thread "Looking for discussion on this subject" but I wanted to start a different thread on contours of barrels vs. That is their magnum contour, with a larger 1. What you will see is the groups/shots wandering on the target. The most popular barrel profile now is the M4 style, sometimes a direct copy of the 14. My 6. 5mm and 30. Apr 29, 2024 · An AR-15 contour barrel refers to the shape and dimensions of the barrel of an AR-15 rifle. A straight contour provides a consistent weight and thickness throughout the barrel, while a tapered contour gradually narrows towards the muzzle, reducing weight and increasing balance. Nov 10, 2011 · Let me start by saying they know waaaaay more than I do about rifle barrels, and I don't question that they are right, but the contours of their barrels seems a little odd to me. prefit barrels (barrel nut style) carbon prefit barrels; rimfire barrels. Nov 5, 2009 · FWIW - the previous 28" GAP#7 (~M24 contour) barrel weighed 6. 308, 1:10, 22/24 inches of lenght and i want it threaded at the muzzle. My current 24" 6. What type of stock material is available for the Weatherby Mark V? The Weatherby Mark V is available with options for synthetic, wood, and composite stock materials to suit individual preferences. Jan 5, 2019 · Both of those are very heavy barrels, at just over 0. These contours are only available in 26 inch or 28 inch lengths and range from 5. Barrel profiles or contours are determined by the primary use of the rifle and provide various benefits. as a convenience in scaling elevations, and to provide ease and speed in reading contours, a contour is shown by a heavier line at regular intervals on a topographic map. Most bolt-action hunting rifles come equipped with a sporter barrel. 250″ diameter) gunsmith blank. 9” diameter at the muzzle on a 26” barrel, which is the length most of these guys were running (more on barrel length later). 2 pounds and a 26” MTU weighs in at 7. Delivery time: Update January 2024 we’re now running about 12-14 weeks for made-to-order barrels. 750 portion of the barrel to accommodate an M203 grenade launcher. Is there som Looking at barrels for a custom rifle. If you’re looking for a barrel that can handle sustained shooting while still being lightweight, a SOCOM barrel may be a good option for you. The barrels became Feb 21, 2024 · The barrel contour of a Weatherby Mark V rifle can vary between different models, with options for lightweight and sporter styles. I would also consider a heavy varmint. barrels. Dec 29, 2010 · Re: Krieger barrel contour While I don't run a 308, I am using a Kreiger in 6. XP-100 tpye barrels 15″ long, for contour listing – Click Here. Colt medium contour 11. The other benefit of a quality barrel is the ease of cleaning it. Contour lines are differentiated into many types based upon the function it denotes, they are listed as below: Isopleth; Isohyet; Isobar; Isobath; Isohaline; Isotherm; Isohel; Isohume; Isoneph; Isopectic; Isotach; Isogeotherm; Following are the uses and importance of different types of Sporter Barrel replacement for the Ruger ® 10/22 ® Factory Contour; Finish 416R Stainless, Polished Finish; Barrel Length/Weights 18" (1. I've personally bought maybe 5-6 buttoned barrels where the barrel maker changed the contour of an existing blank ON MY ORDER. For me, weight is a consideration for a hunting rifle, but balance is more important than weight. 58% were running a 26” barrel, 26% were running a 28” barrel. As heavy barrels go, the bull barrel is just that – a big old heavy barrel. 005″. The minimum contour is the lightest (smallest allowable diameters at key lengths along the barrel) barrel we will make for that caliber in that type of steel. Barrels with curved profiles, such as sporter contours, are more challenging. Feb 8, 2022 · The HBAR has a thicker front half OD of the barrel (. 2 days ago · Medium-Heavy-Contour Steel Barrel: Bring It On The medium-heavy-contour steel barrel in the Savage 110 Trail Hunter is made of carbon steel and is heavier than a skinnier, sporter-style barrel. Feb 6, 2014 · Contour of the barrel is determined by the intended use of the rifle and the type. can be used on ar10, ar24 & ar750, arclamp contours, reduces weight of ar24 to 3. for overall gun weight, that’s really not a tremendous difference. semi-auto/straight-pull; in stock! 308 based semi/auto; in stock! 223 based semi/auto; close Oct 15, 2017 · I wouldn't run a Marksman contour barrel again on a match rifle. The barrel is an unturned (straight 1. A barrel with a finished length over 15″ is considered a rifle barrel for pricing purposes. 200" nominally at the barrel's shoulder and 0. close; contours; blanks. Barrels for unlimited type rifles might be made from a larger diameter, and those for rimfire rifles from 1″ diameter or so. Basically a Shilen #4 taper cut in the right spot. 2) What barrel contour is and how it affects barrel harmonics. These are known as c ross section contours. Fluting Mar 7, 2025 · The sheer volume of AR-15 options can be very overwhelming for a first-time buyer, or even someone with a few ARs of their own. As most factory contours vary slightly, for a more precise barrel-to-stock fit, it is recommended to remove and send your barrel to be measured and machined from its contour. Jan 7, 2022 · What barrel contour when fluted would be lighter than or equal to a carbon barrel, but with similar performance to carbon sendero? I have a couple carbons and i love them, i just feel like some of the steel barrels might be lighter with better heat dissipation. To see a . Compare different barrel contours and their effects on weight, recoil, accuracy and longevity. My own opinion is that 3-shot groups are more than sufficient to determine group Jan 14, 2015 · The steel is furnished in bar lengths of 12-20 feet and diameters suitable for the application. Colt medium contour 14. Contour lines are a crucial element of topographic maps as they represent changes in elevation and provide information about the shape of the land. Pencil Profile. I hate looking at skinny little barrels but I need to find a happy medium for a practical hunting/ range gun. Contour can complete large and small carpentry and concrete projects: Multi‐Family Residential; Commercial; Educational; Small-scale tenant improvement and build Dec 4, 2024 · One of the most impressive government-profile options is the Rosco Manufacturing Bloodline 16″ 5. In another case, it may be considered to be OK to sacrifice some rigidity in exchanged for the higher velocity produced by a longer barrel. Of the guys who finished in the top 10 in terms of PRS Season ranking in the Open Division, 4 of those were running a 26” barrel, 3 were running a 28” barrel, 2 were running a 27” barrel, and 1 was running a 25” barrel. S. Both barrels are 1. 625 inches from front to back (with the gas block bulge in the middle) making the rifle light and handy. Some have suggested #5 contour which seems too thick and heavy for my wife. A No. . 750″ dia. According to Bartlein Barrels, a 26” M24 contour barrel weighs in at 6. I have sporter #3 type contour in 25-06 and it shoots the same for 5 shot groups. must be used for some of the lighter contours of barrels. When comparing 10 lbs to 10lbs 6 oz. Barrel Cooling Fluting a barrel creates more surface area on the barrel. Understanding how barrel length impacts accuracy and rifle balance can aid in making an informed decision for precision shooting. Table of Contents Contours are held to within . The standard barrel contour found on real US M14 rifles is the lightest of all the barrels and has come to be known as a "light" barrel. This will be a mountain type rifle that she will carry for stalking, shoot from a stand and box blinds. A straight taper is the easiest taper to cut on a barrel. Fluted barrels reduce weight. 4) Discussion on barrel length and how it affects accuracy and velocity. 900 Barrel with fluting. 100" at the breech end. Jun 15, 2017 · Learn how to choose a rifle barrel based on length, contour, twist rate, material and lining. Jul 1, 2013 · Newbie question here. I understand the advantages and uses of heavy match and straight taper barrels and also the ultralight profiles. Calculator Handles Custom Contours Jun 4, 2011 · What most barrel makers now have listed as their M40/M24 barrel contour is actually the M40A1, M40A3 and M40A5 barrel contour which is basically a #7 Douglas contour. For any given groove diameter there exists a minimum outside contour that a barrel must satisfy to safely contain the pressure developed when firing a round. I have been looking at the Krieger barrels but i dont really know what contour barrel would be good for my purposes. From the lightest to the heaviest contours, Pac-Nor can duplicate, design or modify contours to suit your needs, for a $45. Jul 1, 2015 · Lighter contour barrels also heat up more quickly than heavier, thicker barrels, and I've had groups open up on the third and fourth shots with some of my rifles. Dec 27, 2017 · With several options available, here's a complete rundown on barrel contours and what you should think about when comparing one to another. Sporter Barrels. If you are wanting a good hunting rifle, wont be spending alot of time shooting many rounds, go with a lighter barrel, youll find the weight of a barrel doesnt have much to do with accuracy when fired cold. What some of the different types of barrel contours and how can I tell what contour I have on my bolt gun? Sep 23, 2010 · A terrific barrel can be made of either a 4140-type chrome-moly or 416-type stainless. The heavy varmint barrel is extremely accurate and does a good job of reducing the felt recoil. The M4 barrel profile is similar but has a thin cut-out in the . I know they are shaped different but what i would like to know is, What barrel do you want ? What advantages or disadvantages does one have over the other. If you're committed to firing 5-shot groups, then I advise you go with a #5 or heavier barrel contour. Products::Rifle Barrels::Contours What size barrel will serve you best? The information below will give you an idea of the size and weight of every Shilen barrel contour. DOUGLAS 4 GROOVE BARRELS: We are now making 4 groove barrels available in the following calibers: 20, 22LR, 6mm, 6. -Our standard stainless steel covers 95% of the barrels that we run. The B is a complex type taper, ie sporter type. For the last thirty years the de facto standard for what constitutes a 16” light-weight AR-15 barrel contour has been the Colt barrel found on the Colt 6520 and 6720. 17 and . 650 under the handguard, and then . There are just too many variations in contours, calibers, twists, number of grooves and two different steel types to keep barrels on hand waiting for an order. You could leave it a little longer than 26" if you wanted too. 1B factory barrel is 1. #6481400).
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