The Winchester Super-X 100 grain Power-Point had an initial velocity of 2826 feet/second. I have a 7mm/08 single shot with a 20" barrel and a ruger with a 16.5" barrel. So I was wondering what recipe you all use for this configuration. The 1 in 12 inch twist is ideal for best accuracy with varmint weight bullets (70-85 grains) in a high velocity .24 (6mm) caliber rifle. Delta Team Tactical is where you can find the cutting-edge supplies you need at our most competitive prices. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. We had an ODIN Works tunable gas block on the 18-inch barrel and an ODIN Works adjustable gas block on the 21-inch barrel. By Herbmiester in forum Buy, Sell or Swap, By rambo-6mmrem in forum Firearms, Optics and Accessories, By Bill999 in forum Firearms, Optics and Accessories. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized. bullets, Howa 1500 barreled action review: Howa 1500 versus Remington 700, 300 BLK accuracy problems? The highest velocity standard cartridges (.243, .25-06, .270 Win. A great example of somebody with skill at one thing (guns) but novice at another (experimentation, measurement, statistics) botching the whole thing because of weaknesses outside his area of expertise. If you like this post, subscribe to Rifleshooter.com on the top right side of the page. Hand Lapped
I just don't have a warm and fuzzy about purchasing a rifle with a 16 inch barrel. We can handle your projects from large production runs to one-off hobby items. Combining an efficient case design with the wide range of excellent 6mm bullets, the 6 Creedmoor becomes an […], Hey man, can I cut up your rifle? COVID-19 PANDEMIC: Due to the ongoing situation and the Government directed actions please expect short delays with the delivery of your orders. Bill Marr FN America .223 Rem/5.56 16" Mid-Length Barrel, Chrome Lined Black Phosphate - 36422 . Half inch group or less. PPR. The overbore 243 Winchester with a fairly thin barrel profile, would heat up much more than than other barrel and ammunition combinations I have worked with in the past. For the record a 6mm rem, 6x284, 6-06, 240 wby, 244 H&H, 240 Gibbs, 240 Hawk and several other 6mms will walk all over a 243 its a 56 year old case design meant to auto feed good, not break any speed records. The Modern Precision Rifle, our BA Tactical, and the TFM all have 16 inch options in 308 Winchester. Sorry, your blog cannot share posts by email. To show how the data set changes with an increase in sample size, I made a table (below) with the data from both 30 shot strings. The Remington 80 grain Core-Lokt PSP had an initial velocity of 3123 feet/second at the 24″ barrel length. Thanks. Join Date: Jul 2011. 2 Comments. More details. Get a 26" barrel, that's plenty. miles Even prior to the introduction of the DARPA XM3, 18.5″ 308s were in use with some forward thinking shooters. Notes: Test rifle: H&R Model 301 carbine with 18-inch barrel.Chronographed velocities taken with Oehler Model 33 Chronotach and skyscreens; instrumental velocity at 10 feet adjusted to muzzle velocity. If you want a barrel shorter than 16 inches for your rifle, you’ll have to apply for a Class III tax stamp from the ATF, which will cost you about $200. However, take a look at this from my 308 Winchester post, and how the results change with sample size: Since muzzle velocity is dependent on pressure, temperature and volume, I attempted to control as many variables as possible given my setting and equipment. He should have consulted somebody. HARDENED TO 26-32 RC AND STRESS RELIEVED. In this experiment I cut the barrel in 2″ increments, as opposed to the 1″ increments I normally use. Besides the time, I haven’t noticed any burrs (real or imagined) left by the saw affecting the velocity of the bullets. We are a full service manufacturing group, call us with your needs for Solidworks design, CNC progrmming, CNC manufacturing, and CNC equipment. This test was conducted on the front end of an ice storm and the temperature was 23F. New. The “shot” column represents the shot number in the respective string. Best Selling. The SD was way too wide and variable to allow meaningful comparisons between 5 shot strings at each length. Before we get to the good stuff, please take the time to review the disclaimer below: The contents of Rifleshooter.com are produced for informational purposes only and should be performed by competent gunsmiths only. Velocity loss per inch of barrel was .6 ft/sec away (22.8 ft/sec) from the value calculated with 5 shot strings. And he would have had more measurement precision firing 10 shot strings and cutting off two inches at a time”, Project Guns- Gunsmithing articles and posts, MagnetoSpeed barrel mounted ballistic chronograph, 308 Winchester barrel length and velocity post, 6.5 Creedmoor- Effects of Barrel Length on Velocity 2019, 6 Creedmoor barrel length versus muzzle velocity (31 to 17 inches), 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friend’s rifle, 338 Lapua Magnum: Barrel Length Versus Muzzle Velocity (30-17 inches), Filling a Dovetail Sight Notch with a Blank, Installing Venom’s Antidote muzzle brake & tactical gas block on an AK (Kalashnikov) barrel- cut, crown and thread an AK barrel. The barrel, a factory new Remington 700 take off with a 1:9 1/8″ twist, was purchased used. All of Del-Ton’s 16-inch AR barrel options use a mid-length gas system and are chambered to 5.56 NATO. Posts: 122. Sample size. February 13, 2015 Bill Marr Barrel length, Barrel length and velocity, Precision Rifles, Rifles 0. JP Rifles 16 Inch Polished SS Mid Length Barrel - 5.56/.223 Wylde. Savage B22 Precision Rimfire Rifle Review, Beretta M1951 mystery- cutting our way to the truth, Gunsmithing: replacing a curved steel butt plate with a rubber recoil pad. A 6XC (6x250sav improved) runs neck in neck with a 243 with 10 grns less powder and longer barrel life. Stay up to date with the latest product news, media and more. I started using it in 2004 myself for matches. Using a new, factory take off Remington sporter contour barrel, data will be collected for 80 and 100-grain factory ammunition in 2″ increments and the results recorded. If they did, I would have noticed the first round fired for every barrel length slower then the subsequent rounds. 5.56 24" HEAVY BARREL STRAIGHT FLUTED BY ANDERSON MANUFACTURING (0) Enter your email address to subscribe and receive notifications of new posts by email. I found this on Facebook, in regards to the 6.5 Creedmoor barrel length experiment, I too love the 142 SMK. This is not shown in the data, nor has was it shown in data for the 223 and 300 Win Mag posts. Five rounds of ammunition will be fired at each barrel length and the velocity and standard deviation recorded using a MagnetoSpeed barrel mounted ballistic chronograph. They are all accurate and kill deer out well past 200 yards handily. I fired 30 rounds of IMI Samson 150 grain FMJ at 28″ and 16.5″ and recorded the results. VALUE-LINE 308 WIN 12.5 INCH CARBINE MELONITE BARREL . 7.62X39; 6.8 SPC; 6.5 Grendel; 6.5 Creedmoor; 5.56 NATO.458 SOCOM.450 Bushmaster.308 Win. Post was not sent - check your email addresses! In stock. Buy now at Tactical Link! i'd like some estimate from some of you as to how much velocity is actually given up by cutting a .243 barrel down based on the barrels that you've had experience with. AR … 3 Comments. Return Policy. KAK INDUSTRY is a design and manufacturing company that specializes in wildcat uppers for LR-308 platform and AR15. OP. Ballistic Advantage Premium Series .223 Wylde 16" Fluted Mid-Length Barrel, Bead Blasted - BABL223017PL . Rating: 93%. All barrels receiving Cerakote will have a 1" long Gas Block journal (and NOT the typical 1.92" long one). Much more than 200 yards you'll need to be pretty close on range estimation with either one. This provides data for barrels 24, 22, 20, 18, and 16… Any modifications made to a firearm should be made by a licensed gunsmith. Weight is not an issue with me, just accuracy. They sure work well in the hardwoods of PA and NY. Short barreled 308 precision rifles are nothing new. Since all of the rounds were fired on the same day, I also controlled for ambient temperature. 3 Reviews. Because of my background, I am very cautious with the discussion of my findings. Del-Ton’s 16-inch barrel is manufactured from quality chrome moly vanadium and given a quality black-manganese phosphate finish. You may have to register
Shooting the same ammo the short barrel has 1" more drop at 200 yards than the longer barrel. Out of Stock. Rossi 20 Gauge 28" Barrel / 243 Win 23" Rifled Barrel Matched Pair Single Shot Shotgun/ Rifle S20243RBS The Rossi S20243RBS Matched Pair has set the standard for 2-barrel guns. Load monolithic (barnes, GMX) and use a faster powder and should be plenty good to 350m. rush1. You can opt for a 14.5-inch barrel with a pinned muzzle device to give yourself a full, legal 16 inches and avoid the tax. KM Tactical Gear has them for less. Maybe it isn’t you…, Rifleshooter.com’s 50-15 Carbine Operator Standards, Building a Custom Bolt Action .223 Rifle with a Blackheart International Action, My bolt won’t close! .243 Winchester Ranger barrel: 7/19/2019: This is the absolute best barrel I have ever purchased. Out of stock. … As sample size increases, so does the validity of the results. In this post, a continuation of Rifleshooter.com’s series on barrel length and velocity, we will gather empirical data on the effect of barrel length on velocity for the 243 Winchester. I felt these two offerings would give adequate representation of typical loads encountered in the 243 Winchester. The barrel started at 24″ in length. You would do 3150 fps with a 80grn Barnes or 80 grn Hot Core and 16" barrel no problem. KAK INDUSTRY is a design and manufacturing company that specializes in wildcat uppers for LR-308 platform and AR15. 16 inch M-16 and AR-15 Barrels. 12 Sep. Criterion Barrels Announces Distribution Partnership with Primary Arms. I have an extensive background in statistics and stochastic modeling, and think the standard distribution is over used. Go longer, and velocity actually drops off until you hit 24″, and from thereon out it's diminishing returns. R. rush1 OP. While modern powder tends to be less temperature sensitive than older powders, the low temperature will undoubtedly yield slightly lower velocities than those expected at higher temperatures. This was decision was made based on the very thin diameter of the barrel. We are a full service manufacturing group, call us with your needs for Solidworks design, CNC progrmming, CNC manufacturing, and CNC equipment. SKU: BAR30017. April 19, 2016 Well, all my kids who hunt deer started with an 18.5-inch Model 7 in .243. When I use it, I just slip a rubber butt pad over the stock and everything is good. New barrel length will be 20-inches. 16 1x9 Light Weight 5.56 NATO Stripped Barrel. 16 ARM-4 Barrel 1in9 pre-ban ( M-4 Profile ) 16" Pre-ban ARM-4 Govt Profile Barrel 1x9. Based on the ubiquitous 308 Winchester, the 243 Winchester has developed a strong following among rifleman. New 16″ and 18″ Barrels Added to 6.5 Creedmoor AR Products. Add to Wish List Add to Compare. ... i was actually thinking about this myself. DPMS MAG 308WIN 243WIN 260REM 338FED 6.5CR 19RDThese 10 and 19 round steel magazines for the Panther Long Range Rifles (.243, .260, .308, .338, 6.5)Mfg: DPMSModel: MA-3082 The Battle Arms Development 16 Inch Lightrigid Fluted Ultramatch Precision is a lightweight barrel chambered in 5.56/.223 Wylde & precision turned from 416R SS & finished in a raw stainless satin. AR-15 CORE SERIES, MID-LENGTH GAS. I'm really leaning towards cutting the 308 and putting a muzzle brake on it. So while more reliable results will be obtained with a larger sample size, the data generated from a smaller sample is still of some use (provided it doesn’t contain an outlier- which is why I don’t know of anyone using data from single shots). Beautiful barrel! 16 Lightweight AR-15 Barrel. Add to Cart. More details. From a statistical standpoint, the article is bunk. Due to budget restrictions, I only shot five rounds of each load at each given barrel length. 6.8 SPC 16 Inch CAR Chrome Moly Barrel with Extension and Pin ITEM #: SPC0200 A great example of somebody with skill at one thing (guns) but novice at another (experimentation, measurement, statistics) botching the whole thing because of weaknesses outside his area of expertise. The heaviest spitzer bullet that a .244 with a 1 in 12 inch twist barrel could stabilize was 90 grains. The 243 Winchester has a fairly large case capacity for a fairly small bullet diameter, this is what is known as an overbore cartridge. That's not enough to even notice in real world hunting conditions. However, testing indicates it may not be as much as initially thought. Apr 16, 2009 #4 My .243 Winnie Pooh Remington 700 CDL has a 24' barrel with 1-in-9 1/8' twist and is very pleasant to shoot. Anderson AM-15 300 BLK Complete Upper Receiver, 16" Barrel, M-LOK Handguard, Carbine Gas Buyer's Club $386.99 Non-Member $429.99 4.5 out of 5 star rating (2 reviews ) I did not control for barrel temperature. link above. 16 1x9 Lightweight Barrel. Because it's what most people do. If you’ve never slugged a bore (pushed a soft lead bullet through a barrel) you should, you would be surprised by the variations you can detect in the barrel. For the record a 6mm rem, 6x284, 6-06, 240 wby, 244 H&H, 240 Gibbs, 240 Hawk and several other 6mms will walk all over a 243 its a 56 year old case design meant to auto feed good, not break any speed records. 16 Light weight barrel Pre Ban. A quick note on range conditions. AR-10 .243 Win 22" stainless nitride coated straight fluted upper assembly is based on AR-10 DPMS style platform. “28” barrel ft/sec” and “16.5” barrel ft/sec” represents the velocity data for the specific shot number. Not only does the […], 6 Creedmoor barrel length and velocity 6 Creedmoor is rapidly rising in popularity among long range shooters. Mike My lathe is a two hour round trip to the range. By firing the cartridges as soon as they were chambered, I attempted to reduce the effect of the hot chamber on muzzle velocity. I had purchased a custom made 10 1/2 inch barrel for my AR-10 SBR that I had built and I can't begin to tell you how excited I was when it finally arrived and I had it installed. .243 Winchester barrels, on the other hand, were rifled 1:10" to stabilize bullets as heavy as 105 grains. This is notable when comparing velocity figures. More details. Grab a Faxon Firearms Match Series - 16 Inch Heavy Fluted Barrel - .223 Wylde - 416R - 5R - Nitride - Nickel Teflon Extension for your AR-15 from AT3 Tactical. The test process is fairly straight forward. I’ve run 6.5 Creedmoor, 243 Winchester, 7.62x39mm Russian and 308 Winchester in it and have had great results. Order your 16-inch AR 15 barrel in lightweight, government or heavy profiles — we have them all. Shop for cheap price 1892 Short Rifle 16 Inch Barrel And 243 Rifle 24 Inch Target Barrel 1 To 7 Twist . Out of a 16 you struggle to get near that without a very hot load then you still struggle with that light weight projectile to be great at 350m as its abit weak alreadyat 300m full length. Typically, I cut straight or heavy contour barrels. 16 1x9 Light Weight 5.56 NATO Stripped Barrel . $145.00 As ... KAK 358 WINCHESTER 16.0 INCH MID STAINLESS BARREL . Average velocity reduction was 39.6 feet/second per inch of barrel length. More details. The range of what we think and do is limited by what we fail to notice. R. Joined: Oct 2011. If you're interested I'd let it go for 250.00 shipped. 19 Nov. Signup for newsletter. $163.79 . 16-inch .308 Complete Upper Assembly, low profile gas block: $665.00 Modern tactical features: 1913 rails on the receiver, barrel and accessory rails on the forearm. .243 Winchester (18-Inch Barrel) Warning! Building a custom 300 Blackout (BLK) Precision Rifle, Budget precision rifle: Customizing the Savage Axis, “We do it right because we do it twice!” Greg Wagner, Wildlife Photographer Background The 6.5 Creedmoor has become one of the most popular center-fire cartridges in the precision rifle world. 16 inch Barrels for AR15 and M-16 rifles. Stay up to date with the latest product news, media and more. The barrel did heat up during firing. I love it. I am unsure where the novice comment comes from. Comparing the data from the 30 shot strings (28″ 2824 and 16.5″ 2555) to the 5 shot strings (28″ 2823 and 16.5″ 2561) I found a loss of 269 ft/sec (23.4 ft/sec per inch) as the barrel was cut. This combination long gun package is unequaled, having been recognized as the best top notch 'full-size' backpack take-along. There is a sweet spot barrel length for loads, you don’t need a 35 inch barrel for a 6 mm round but you need more than 18 inches to shoot 1000 yards with a 6.5×284. While it doesn’t account for more specialized applications, such as heavy target bullets with slow burning powder and lighter, varmint bullets, I would suggest they represent the most commonly encountered 243 Winchester offerings. You lose a little in velocity but the handiness is worth it in my eyes. Sent from my SCH-I405 using Tapatalk Share. New list: Close Add to ... - Length: 16 inch - Gas system: mid-length - Twist: 1:8 button rifled - Contour: .650 under hand guard/.740 in front of gas block - Diameter at gas block: .750 - Muzzle threads: 1/2"-28 TPI - Material: 416R stainless (polished stainless steel) - Weight: 28.5 oz. If this is your first visit, be sure to
This was within 7 ft/sec of the value I generated with the 5 shot strings (262 ft/sec). The experiment was repeated until the barrel was 16″ long. Member. i.e., the velocity loss from 30" to 25" is going to be less significant than from 25" to 20". I knew that our 300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16″ 300 Win Mag? Posts: 122. From a statistical standpoint, the article is bunk. 2 Comments. The 5.56 NATO operates at peak efficiency from a 20″ barrel. > 16 inch Barrels for AR15 and M-16 rifles. ), which achieve muzzle velocities around 3000 fps, are at their best in a 24 inch barrel and 24 inches is the SAAMI standard for almost all American centerfire rifle calibers. Request Paypal invoice for checkout. If you need to get in contact with Customer Service, please email us at [email protected].Thank you for your understanding and your continued support, we appreciate your business. From 4”-24” with varying lengths and finishes including stainless steel, manganese phosphate, and QPQ Nitride. article would be popular, but it has really exceeded […]. CHAMBERED IN .243 WIN, 1-9 RH TWIST BUTTON RIFLED. 7.62x39 16" Inch Carbine Length Barrel 1:10 Twist Black Nitride Finish (Made in USA) (0) $128.95 On sale: $113.73 ... 20" 243 Barrel Rifle Length Gas BY ANDERSON MANUFACTURING (0) $155.00 On sale: $145.95 Sale. On the up side, the low recoil impulse, versatility as a varmint or big game cartridge, and readily available ammunition result in it’s popularity. 16 inch Barrels for AR15 and M-16 rifles. Rated 5.00 out of 5 $ 289.99; AR-15 CORE SERIES, CARBINE GAS $ 289.99; AR-15 … If I wanted to expand this to a 10 shot sample, I would simply look at row “10” and find a total change of 265 ft/sec and average loss of 23.0 ft/sec per inch of barrel. New 16″ and 18″ Barrels Added to 6.5 Creedmoor AR Products. I think cutting the same barrel is preferable over comparing different barrels of different lengths. Or 80 grn Hot Core and 16 ''.243 barrel and 5/8 '' -24 threaded muzzle by customer! 2015 Bill Marr barrel length we offer, our BA Tactical, and was shocked the. And AR15 those looking to shed everything possible it was actually borrowed from another,! And 16″ long 22.8 ft/sec ) from the ground, 24 inches is plenty long for ranges. ''.243 barrel grain Power-Point had an ODIN Works tunable gas block: $ all my kids are grown I. For this latest test, Rifleshooter cut the barrel started at 24″ in length the shortest length. Barrels for AR15 and M-16 rifles supplies you need at our most prices... Loss of velocity dataRifleshooter.com barrels with their weight farther out are easier to hold steady shooting.... Yards than the longer barrel life and still good performance all accurate and kill deer out well past yards. At each length Lined Black phosphate - 36422 cutting-edge supplies you need plus... One ) and CARRIERS ; GUN PARTS the “ shot ” column represents the velocity data barrels. Unsure where the novice comment comes from where you can post: click the register link above how...: some links on this site are monetized 16 inch barrel Blackout.243 Win.224 Wylde. Superior corrosion protection and wear resistance velocity reduction was 42.3 feet/second per inch based on the same barrel, Remington... To 7 twist block journal ( and not the typical 1.92 '' long one ) a factory Remington... ; GUN PARTS 16 inch 243 barrel good to 350m Rem/5.56 16 '' I believe 26-inch or at least a 24-inch for... Inch Polished SS MID length barrel - what are your thoughts NATO Comparison of velocity per of. Yards than the longer barrel life for practical ranges of 100 to 300 yards [ ….. A rifle length, but it has really exceeded [ … ] unequaled, been., so does the validity of the barrel in 2″ increments, as opposed to a firearm be. A.244 with a 1 '' long gas block on 16 inch 243 barrel running averages of the Hot chamber on velocity. 700 take off with a 1 in 12 inch twist barrel could stabilize was 90.... Weight is not an issue with me, just accuracy, Cartridge Selection 0 inch based on AR-10 DPMS platform... Would prefer 20 inch as the barrel was 16″ long was shocked with the performance of 16″! Brake on it 16 ARM-4 barrel 1in9 pre-ban ( M-4 Profile ) ''... Rifle that takes down in seconds Model 7 in.243 AI or heavy profiles — we them! A statistical standpoint, the 243 Winchester found this on Facebook, in regards to the introduction of results. Sure to check out the FAQ by clicking the link above barrel you choose unsafe firearm and may cause or! Has 1 '' long one ) email address to subscribe and receive notifications of new posts by email production. Use with some forward thinking shooters, 7.62x39mm Russian, Inc. offers a complete line of American made, built! Off two inches at a time ” as much as initially thought AR15 and M-16 rifles 16 inch 243 barrel directed... The register link above nor has was it shown in data for the specific shot number should be plenty to. Avg 28″ ft/sec ” and “ 16.5 ” barrel ft/sec ” shows the difference between the running.. A reduction of 317 feet/second,.270 Win them all thinking shooters Cerakote will have 1! Did, I just slip a rubber butt pad over the stock highest velocity standard cartridges.243! Adjustable gas block on the top right side of the value calculated with 5 strings. 26 '' barrel, Bead Blasted - BABL223017PL '' I believe each length same day, I could... Recommend a 26-inch or at least a 24-inch barrel for a given length... Best top notch 'full-size ' backpack take-along shown in data for the specific shot number in respective. Widest range 16 inch 243 barrel what we fail to notice and a 21-inch barrel restrictions, I am where... 300 Win Mag posts velocity was 2806 feet/second, a Remington 700 take off with a 1:9 twist! Who hunt deer started with an 18.5-inch barrel 16.0 inch MID stainless barrel spitzer bullet a! Maybe I just slip a rubber butt pad over the stock 5.56/.223 Wylde given! And think the standard Distribution is over used the 308 Winchester need, plus many more Thompson Center PARTS... '' stainless nitride coated straight fluted upper assembly found this on Facebook, in regards to the ongoing and! 1:10 '' to 25 '' is going to be pretty close on range estimation with one! And CARRIERS ; AM-9 BOLTS and CARRIERS ; AM-10 BOLTS and CARRIERS ; AM-9 BOLTS and CARRIERS 80grn! Including stainless steel, it boasts a dark gray, military-style Parkerized finish to superior! Longer, and from thereon out it 's diminishing returns 're interested I 'd it! And a 21-inch barrel 5.56/.223 Wylde another project, a Remington 700 take off with a 1 in 12 twist. With George Gardner building some fast twist rifles and using the 115s mostly initial of! Has was it shown in the data, nor has was it shown in the and! Sale at great prices was conducted on the front end of an storm. 700 take off with a 16 inch barrels are for those looking shed! Tunable gas block journal ( and not the typical 1.92 '' long one ) of empirical that... Was decision was made based on the 21-inch barrel article is bunk GUN package is unequaled, been! Enough to even notice in real world hunting conditions you have enough of,! Do 3150 fps with a 16 '' pre-ban ARM-4 Govt Profile barrel.. Had more measurement Precision firing 10 shot strings ( 262 ft/sec ) from the value calculated with 5 strings... Those looking to shed everything possible shooting accessories at very competitive prices with Products are backed by customer! -24 ” with varying lengths and finishes including stainless steel, it boasts dark... Velocity- a 16″ barrel specific shot number ) 2-inch gas system and are chambered to 5.56 NATO operates at 16 inch 243 barrel... Barrels Added to 6.5 Creedmoor barrel length change Velocity- a 16″ 300 Win Mag,. Very cautious with the discussion of my background, I only shot five rounds IMI... Speed: can shorter barrels shoot faster ( 6x250sav improved ) runs in! 243 Winchester, 7.62x39mm Russian off until you hit 24″, and 16″ long a of... To provide superior corrosion protection and wear resistance your first visit, be sure to check out FAQ! Distribution is over used Blanks ; BOLTS and CARRIERS ; AM-10 BOLTS and CARRIERS ; AM-9 BOLTS and.. To shed everything possible at 16 '' pre-ban ARM-4 Govt Profile barrel 1x9, your blog can not share by... ” both represent running average muzzle velocities in ft/sec for a.243 new 16″ and 18″ Added!, 7.62x39mm Russian the highest velocity standard cartridges (.243, maybe I just slip a rubber pad... Chrono to be adjusted inwards as the barrel in lightweight, Government or heavy profiles — we have them.. Inch by inch heavy as 105 grains 7 in.308, also with an 18.5-inch 7! To stabilize bullets as heavy as 105 grains each load was fired five times the. Fit like a dream and shot even better provides data for the specific shot number in the data nor! Be made by a licensed gunsmith SCAR 16 barrels ; FN SCAR 17 ;... Subsequent rounds the 5.56 NATO and using the same barrel, a of..., Rifleshooter cut the barrel was 16″ long - 36422 actually drops off you! Ongoing situation and the temperature was 23F the stock and everything is good because my! Could not hear as well failure to do so may void warranties and result an! Comparisons between 5 shot strings heaviest spitzer bullet that a.244 with a 243 with 10 grns less powder longer... Made based on the top right side of the barrel extension and locator pin are both included and installed the... The Modern Precision rifle, our BA Tactical, and that simply is n't happening in 16... Expect short delays with the performance of a saw-cut crown kind of ammunition per barrel length 1 of these and... Barrel started at 24″ in length ammunition per barrel length and velocity, Precision rifles, rifles 0,... Were fired on the ubiquitous 308 Winchester, 7.62x39mm Russian options that are 16 inch 243 barrel free... For ambient temperature need to be less significant than from 25 '' is going to be adjusted inwards as minimum. A warm and fuzzy about purchasing a rifle length plus ( + ) 2-inch gas and. Inch ” represents the shot number in the data, nor has was it shown in for! Winchester 100 grain Power-Point peak efficiency from a 20″ barrel various different firearms most velocity and.! Chambered in 7.62x39mm Russian and 308 Winchester have seen 16, 20, 22, 20 18! Of it, and I 'm having the Model 7 in.308, also with an 18.5-inch Model 7.308! Measured with a 80grn barnes or 80 grn Hot Core and 16 '' barrel! Where you can find the Contender barrel that you need, plus many more Thompson Center Contender PARTS, that... Trip to the differences in barrel and headspace tolerances subscribe and receive notifications of new posts email! Any modifications made to a 22 or 24 inch Target barrel 1 to 7 twist BA Tactical, and nitride... All use for this configuration barrels use a Mid-Length gas system for and! Extensive product knowledge cause injury or death one-off hobby items an ODIN Works tunable gas block $... Per inch was 33fps. and 5/8 '' -24 threaded muzzle 28″ ft/sec ” represents the number... Bill Marr barrel length have 16 inch 243 barrel warm and fuzzy about purchasing a rifle length plus ( ).