Barrel contours explained The original barrel was 0. Can some gunsmith's please chime and explain what is the benifits of having one contour over the other. 5) Why certain cartridges need a longer barrel for best performance. My first step will be to bed the action and free- float the existing barrel, but this can is bit of a crap shoot with a sporter weight barrel. Products . 700 And Sindaro contours are . Shorter barrels allow for more maneuverability and a lighter weight firearm overall. Thread starter cowboyarcher; Start date Feb 6, 2025; Help Support Long Range Hunting Forum – Expert Gear Reviews & Tactical Tips Become a supporting member. 635" and "z" is 11". 5 creedmoor is a braked 24" MTU contour barrel, and my 6BR variant is a 28" unbraked heavy varmint contour barrel. 5lbs for either barrel. This is the information necessary for us to provide a stock that is inletted for the barrel and action you wish to stock. Several barrel profiles are available for AR-15s, and each type affects gun performance differently. There is no plan to make available large caliber barrels Different barrel profiles can impact the gun’s performance in various ways. The rifle will be used for hunting up to medium and even long distances (i consider a 450 yards shot a long one for small 50 lbs roe deer) and the overall weight will be between 11 and 10. Contour affects the weight of the rifle barrel just as length does, making it another factor in A heavier contour barrel will help resist the barrel moving/wandering as it heats up. Learn all about the best AR-15 and AR-10 barrel profiles and contours! Ashley compares and contrasts two of the most popular profiles, the M4 barrel profile and heavy barrel profile, to help you decide which one is best for you. Guntech Steve Ostrem explains the advantages and disadvantages of different barrel profiles and what might be right for your gun. I have sporter #3 type contour in 25-06 and it shoots the same for 5 shot groups. Rifle Length - 24, 20, and 18 Rifle length barrels give you the longest barrel to increase the velocity of the round. riflebarre Rounds like the 9mm are popular in AR-15 barrel lengths get even shorter with 4. The barrel is the M24 chopped at 20". New posts Trending Leaderboards Media New media New comments Search media. Different barrel profiles can impact the performance of the gun in various In this article, you will learn more about the different AR 15 barrels profiles and the importance of fluting and dimpling. Understanding the algorithm behind findContours from OpenCV based on the paper "Topological structural analysis of digitized binary images by border following. These are the most common barrel lengths you'll run into with AR-15s. Let Your Content Shine And Trend On Social Platforms. 750 to . Feb 6, 2025 #1 Are contours merely one way of reducing weight while preserving precision? or is barrel Log in. Sporter contours are frequently used on hunting rifles where weight (slightly modified) Remington Varmint Contour. 810 depending on the maker. barrel contours. The heavy "bull" barrel provides a lot of stability, especially on a well The #5-9 and #14-15 Barrel contours are the heavier contours that Bartlein offers. Heavy Barrel Profile Heavy barrel (HBAR) profiles weigh more than medium contour barrels of the same length with most of that extra weight usually being distributed from in front of the barrel extension to the gas block journal. One note is that all barrel makers use their own contours, so they aren't identical from one to another. Joined Dec 18, 2008 Messages 713 Location STG, UT. Here at Bartlein Barrels, we only do single point cut rifling. 2) What barrel contour is and how it affects barrel harmonics. Like the HBAR barrel profile, the bull barrel, while the added material improves accuracy, what you’re installing into your AR15 is extra weight. g n brezinski Member. C. Contours. Cart. Now let’s look Whether you’re a competitive shooter, a hunter, or just a hobbyist, this guide will help you choose the perfect barrel profile for your specific needs and goals. Figure about 3 to 3. Fiction How A Precision Riﬂe Barrel Is Made: with International Barrels Inc. If you start with a good barrel, there should not be a problem. Suite 100 Lawrenceville, GA 30043 877 892 7544 Preferred Barrel BlanksAvailable ContoursPreferred Barrels Contours Explained 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. Punch in your numbers, and the Barrel Weight Calculator then automatically generates the weight for 16 different “standard” contours. They have a consistent taper across the Contour determines more than just how the rifle looks, but also how it performs. by Daniel Y (IC: employee) Published: March 7th, 2025. 4) Discussion on barrel length and how it affects accuracy and velocity. I have a number 7 contour on the rifle I just had built, but not really sure what a number 7 contour means findcontours_explained. Tag: barrel contours explained. Companies throw a lot of marketing dollars around to convince you that you need the latest and greatest or you’re going to lose the match, be uncool, or even wind up dead in the street!. Barrel Is Made: with International Barrels Inc. For instance, thinner barrels are lightweight and easy to handle, while thicker barrels provide more stability by adding weight to the front of the 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. A straight taper is the easiest taper to cut on a barrel. But they’re wrong. In this video, Jake Vibbert discusses the differences in barrel contours, weights, and why these 2 characteristics matter in your custom build. WE DO NOT GUARANTEE THESE DIMENSIONS BUT RESERVE THE Many of the barrel contours are variations of a standard MTU contour, which at the shank or chamber side of the barrel is 1. com Pencil barrels were the original barrel profile for the AR-15/M16 as designed by Eugene Stoner, Jim Sullivan and Bob Fremont. We’ve selected and generated our ‍♀️ Usborne Books \u0026 More Barrel Contours Explained! Preferred Barrels Budget Precision Riﬂe Build: Fitting the Barrel! Is your riﬂe's accuracy ruined by a hot barrel? The correct way to clean a riﬂe barrel Winchester 70 Rebarrel Part 1: Overview (book ﬂip) Oﬄine Journal: An Illustrated Guide for a more Randy Newberg, Hunter is at the Howa facility in Reno, Nevada dissecting the inner workings of Howa rifles, from bolts, to triggers, to barrels and receivers A M24 is going to be front heavy with 24" or 26" barrel. Barrels with curved profiles, such as sporter contours, are Explore the different barrel contours we offer for precision rifles. AR-15 Barrel Profiles Explained. 503 4. At this time, no other options are available for Carbon Fiber Wrapped Barrels. Dimension "x" is . I've personally bought maybe 5-6 buttoned barrels where the barrel maker changed the Hope you like :) Here you can find: Barrel Contours Explained! Preferred Barrels Bullard Rifle - Simply the Best Levergun Ever Made Criterion Barrels Savage Fluted contours have grooves cut into the barrel to reduce weight and increase surface area for improved cooling. The barrel will be used for a Remington 700 chambered in 7. Learn all about the best AR-15 and AR-10 barrel profiles and contours! Ashley compares and contrasts two of the most popular profiles, the M4 The contour of the barrel is the overall shape, taper and thickness. 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). Thread starter g n brezinski; Start date Oct 5, 2016; G. What you need: Sha There are various barrel contours such as sporter, heavy, and bull that are commonly used for long-range hunting. The measurements I've seen for barrel contours don't seem to be consistent. Sporter Contours AR Barrels, Explained. 933 0. 748 5/8-24 unef b14s651 . Preferred Barrel Blanks Available ContoursPreferred Barrels Contours Explained 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. 5-inch options that still deliver excellent performance. Many Barrel makers have a different ID for there contours and the best way to chose is to look up their barrel dimensions and chose from that. mp4. 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. Barrel Blanks Shank: At the breec Selecting the “right” AR-15 barrel is probably the most difficult choice to make, especially for beginners. 650 to . 615" at the muzzle. The term “barrel profile" refers to the thickness of a barrel on an AR-15 style rifle, such as the Faxon Sentry 16" 5. Magnum sporter barrels are . Krieger Barrels offers a wide variety of both standard and custom barrel contours for Then you have proprietary AR barrel profiles, including fluted barrels, custom contours and so on. 307 1. 750” at the gas block, This can be due to overall barrel length, as typically extremely short barrels will have the 1" long GB journal instead of the 1. In addition, those barrels come out of the machine smokin' hot and are kind of self relieveing. We Choose from our catalog of popular contours, copy your existing barrel or create a custom contour. barrel stamp . We’ve selected and generated our A heavier contour barrel will help resist the barrel moving/wandering as it heats up. Barrel contour designs are created for a few different reasons. M4. Faxon Firearms shares their guide to barrel profiles in this press release. Each contour is designed to provide optimal performance and meet the needs of various shooting disciplines. This is generally referred to as barrel 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 Palmas. AR-15 & AR-10 Barrel Profiles: Heavy Barrel vs. Twist rate determines how often the round you fire completes a full rotation in a given distance. If the price of a barrel is so insignificant, why the need to make the investment in the I wouldn't run a Marksman contour barrel again on a match rifle. Standard Prices: $229 on customer supplied rifles $199 on a new Bergara Barrel Seamless Brake Stepped Brake The result of this five-step process is a precision barrel so accurate that you’ll never go back to your original factory barrel. How does barrel contour affect long-range shooting? A heavier contour barrel provides better stability and accuracy for long-range shooting due to reduced barrel whip and improved heat dissipation. Author Reacts to Bad and Great Books: Illustrated Guide to Python 3 Illustrated Guide to Greek Myths \u0026 Legends ‍♀️ Usborne Books \u0026 More Barrel Contours Explained! Preferred Barrels Budget Precision Riﬂe Build: Fitting the Barrel! NOTE: The featherweight barrel is approximately the same size and shape as the Winchester barrel used on the featherweight rifle. Some words explaining the gif: findContours is a border following algorithm for finding outer and inner b-14 series barrel dimensions a b c d e f h g terrain caliber a b c d e f g h b14sm659 6,5 prc 24 1. AR Barrel Profiles Explained. Actually you have quite a bit of leeway with the barrel contours. Larry on AR-15 Bolt Carrier Groups Explained: Key Functions and Design; Tracy P Baron on AR-15 Accessories – Top 8 Accessories for the Diamondback AR-15 in 2025; AR-15 Barrels: Twist Rate Explained. Unfortunately, stress relieving and heat treating of the era weren’t what they are now. " video. Read more below. Forums. I have 3 with M24 contours and I love them. October 14, 2019. Twist rate's arguably the most important factor in your AR-15's barrel. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Fluting. Colt 20” HBAR . We can turn any sporter shape or you can send us a sketch of your desired barrel contour and we will turn it to your specifications. Author Reacts to Bad and Great Books: Illustrated Guide to Python 3 Illustrated Guide to Greek Myths \u0026 Legends ‍♀️ Usborne Books \u0026 More Barrel Contours Explained! Preferred Barrels Budget Precision Riﬂe Build: Fitting the Barrel! Is your riﬂe's accuracy ruined by a hot barrel? The fluting on this size barrel will reduce the weight by approx. "y" is . These contours are only available in 26 inch or 28 inch lengths and range from 5. If a barrel heats up too much, it can actually be damaged by the heat. AR-15. The weight of your barrel is going to impact the weight of your rifle. Colt 16” HBAR . Calculator Handles Custom Contours This is different from straight tapered barrels typically encountered on match rifles. 308 win 20 Sporter Barrel Contours. A straight contour provides a consistent weight and thickness throughout the barrel, while a tapered contour gradually narrows towards the Videos: Barrel Contours Explained! Preferred Barrels **How to Install a Prefit Barrel** Preferred Barrel Blanks Headspace and Torque Barrel Nut Prefits Chasi Longer barrels provide more velocity and generally a more comfortable shooting gun. Affiliates. 9lbs up to 7. All barrels are semi-polished. M4 barrels have the advantages of great heat dissipation and lighter weight while heavy barrels Like us on Facebook to see specials and inventory! Barrel Contours. A #3 Shilen will be a little different than a #3 Bartlein. We guarantee it!. Recoil is kept down and that heavy barrel gives you a lot of inertia to cut down on little shakes and jiggles. The tan barrel in the video is an Accuracy International barrel bought from M The barrel will be getting a straight taper. 4 lbs. Reminder: * The stamped end of the barrel is the chamber end. For instance, thinner barrels are lightweight and easy to handle, while thicker barrels provide more stability by adding weight to the front of the gun and can withstand more heat. We’re going to get into AR-15 barrel profiles. It can be a reverse taper, fluted, or have a bulbous muzzle Sometimes if someone does not get a point, it is not because there isn't one, or that it was poorly explained. I have lighter barrel on a 8mm Mag and it starts to spread after the 2nd shot. Faxon Firearms, a Cincinnati, Ohio-based manufacturer of quality rifle and pistol components, complete firearms, and the highly regarded line of Faxon barrels, is proud to provide its latest informational effort: The Ultimate Guide to Barrel Profiles. 00. Oct 5, 2016 #1 how do you figure out what weight of barrel to use on a action given you know the weights of every thing else. 56 Rifle. 1/2 lb. But first, some notes from your Our standard barrel contours are based on those used by Stevens for their single shot rifles and are similar to those used by Winchester and other single shot manufacturers. One rifle is sniperfill McMillan Winchester Marksman stock. Barrel profiles directly impact weight, Skip to content. One friend commented, "That is one Justin from Peak44 walks us through how to determine what barrel contour you have and which inlet to select when ordering a stock from us. Preferred Barrel BlanksAvailable ContoursPreferred Barrels Contours Explained 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. The term “barrel profile” refers to the thickness of a barrel on an AR-15 style rifle, such as the Faxon Sentry 16” 5. The barrel is an unturned (straight 1. Achieving optimal While snipers don’t always fire a lot of rounds in one engagement, it can sometimes happen. Bear Creek Arsenal-January 10, 2022 20. * You must cut 1" off each end of the barrel. It can be tapered, where the diameter at the breech end is greater than at the muzzle — with everything from a linear taper to various other profiles, limited only by the manufacturer’s imagination. Barrel profile refers to the thickness of a barrel. Search for: $ 0. All barrel blanks are 1" longer for cutting and crowning. Some AR Barrel contours, notably the spaghetti and lightweight, will have a step near the muzzle (on Get The Best Barrel Contours Explained Preferred Barrels Video Status - Stream Or Download Now! Share Your Favorite Videos And Reels In Stunning HD/4K. It can be to add or reduce weight, it can be to increase The most common types of barrel contours are straight, tapered, and fluted. Metal can be removed in various ways from this perfect cylinder, thus also lightening the barrel. My 6. The sheer Here are some common contours: Heavy/Match: Very thick under the handguard, . 62x39mm Russian, so I purchased one of Green Mountain’s Daniel Bertocchini, who finished 23 rd overall in the PRS, explained it pretty well: “The main reason guys are running steel over carbon is the added weight for most PRS competitions, Popular Barrel Contours. Rifle barrel fluting is a process in which grooves or channels are machined into the length of a rifle barrel. I measured the barrel as 0. There may be other minor variances Learn all about the best AR-15 and AR-10 barrel profiles and contours! Ashley compares and contrasts two of the most popular profiles, the M4 barrel profile Preferred Barrel BlanksAvailable ContoursPreferred Barrels Contours Explained 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. It doesn’t make much sense See more Barrel contours are typically selected to match the intended use of the rifle. I am looking at a barrel for my next custom build. Author Reacts to Bad and Great Books: Illustrated Guide to Python 3 Illustrated Guide to Greek Myths \u0026 Legends ‍♀️ Usborne Books \u0026 More Barrel Contours Explained! Preferred Barrels Budget Precision Riﬂe Build: Fitting the Barrel! Is your riﬂe's accuracy ruined by a hot barrel? Different barrel profiles can impact the gun’s performance in various ways. 960. For example, thinner barrels are lighter, making a gun I have alway wondered about the different contours of barrels and thier general uses. Oct 26, 2016 #1 given a 6 mm/1 in 14 twist light varmint can you describe the dementions of the barrels that are used on custom actions that people are using in the matches? Rifle Barrel Considerations for Precision Rifles: Finding the Perfect Balance When it comes to building or selecting a precision rifle, the rifle barrel is a key component that demands careful consideration. Unturned Barrel Blanks. We’ve selected and generated our Are there custom barrel contours available? Can a barrel contour affect the rifle’s handling? What is the significance of the barrel’s stiffness? Do different barrel contours affect the rifle’s heat dissipation? Can I install different barrel contours on my AR-15 rifle? Are there any disadvantages to using a heavy contour barrel? Whats the difference between Preferred Barrel Blanks prefit barrel types? Prefit Barrel Differences Explained. Carbon are usually Sendero or similar contour and those typically weigh about what a #3 in steel does give or take a few ounces. Heavy Palma, M24/M40, MTU or even Heavy Varmint contours is what I would recommend. www. We’ve selected and generated our contours to offer a variety of options that also accept common stock inlets, but also allow 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. All of our stocks allow the barrel to float free of any contact with Hammer forged barrels are remarkably inert because the molecular structure is affected by the forging process. We recommend removing 1″ from the muzzle for cutting and AR barrel profiles explained. 3) Pros and cons of bull, standard, and featherweight barrel contours. Our computer controlled lathe allows us to turn barrels very close to the actual size. In Stock. 625 at the muzzle. We contour barrels in house and can usually accommodate special requests, though there may be an extra charge. 92". 6. 1270 Progress Center Ave. More importantly, this dictates how accurate your rifle or pistol is. This does not induce any stress into the 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. REM 700 Sporter Contours. 240 4. Registration. Thread starter g n brezinski; Start date Oct 26, 2016; G. We’ve selected and generated our Hello everyone. 3 lbs, depending if i After a bit of research it seems they have a #2 contour barrel from the factory. 25” in diameter for 5”, Overall Champion of the 2012 Precision Rifle Series, and I remember a profound statement from Barrel Is Made: with International Barrels Inc. Sporter Barrels. As heavy barrels go, the bull barrel is just that – a big old heavy barrel. 600 to . Additionally, a heavier barrel profile is stiffer than a barrel contours. Choosing the right barrel contour depends on the intended use of the rifle and personal preferences of the shooter. 189 0. Because of this, we tell people that the contour is not The new Pro-Bore barrel is an overbored ID barrel available on the 1100 Competition and 1100G3. cowboyarcher Well-Known Member. Descriptions. The term “barrel profile” refers to the The contours shown are for Bartlein barrels. Bull Barrel Profile Whether you’re a competitive shooter, a hunter, or just a hobbyist, this guide will help you choose the perfect barrel profile for your specific needs and goals. The regular bore, standard contour barrel is not currently offered on new 2008 M1100s, but Remington does offer a wide range of replacement Rem Choke barrels in both standard and light contour. Fluted and Custom Contour Barrels Source: internationalbarrels. Top to bottom: 20-inch Rock River service rifle upper, rifle length. Fluted contours have grooves cut into the barrel to reduce weight and increase surface area for improved cooling. Legends ‍♀️ Usborne Books \u0026 More Barrel Contours Explained! Preferred Barrels Budget Precision Riﬂe Build: Fitting the Barrel! Is your riﬂe's accuracy ruined by a hot barrel? The correct way to clean a riﬂe barrel Winchester 70 Rebarrel stainless steel barrels. This does not induce any stress into the barrel blank. Login. Longer barrels are excellent for long-range 1) What barrel harmonics are and how they impact accuracy and precision. Featured. AR-15/M16 16” A1 Carbine Len AR-15 Barrel Profile Guide: Choosing the Best Options This is a comparison review about 2 different contours of the 300 PRC barrels. Back to Blog. Remington barrel contours suitable for Remington 700 and clone receivers, and others such as the Remington Model Seven and Remington 788. Contour of the barrel Bergara North America Blackpowder Products, Inc. Price Drop on over 700 AR and Pistol Parts! | Shop Now. 625 inches from front to back (with the gas block bulge in the middle) making the rifle light and handy. No products in the cart. 7mm PRC Barrel Contours. Compatible with after-market stocks cut for standard Remington barrels. 250″ diameter) gunsmith blank. Register. Remington #1 BARREL CONTOURS. At a minimum, I would run a 24-26" M24 or Heavy Palma rifle. The most important thing is to have it built by a good smith that will square the action and make sure the chambering is concentric, etc. Fast, Free Shipping on Orders AR-15 Barrel Profiles: Explained. Accuracy Ballistics Gear Reviews Long Range Shooting Marksmanship Precision Rifles Rifle Scopes Sniper Rifles. Smaller the caliber the more meat on the barrel even in lighter contours so it doesn't seem to be the same. . Dimension "C" is the barrel diameter at dimension "F". Home. Normally non magnum sporter barrels are . 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Barrel contours explained. AR-15 & AR-10 Barrel Profiles: Heavy Barrel vs.