The barrel extension and locator pin are both included and installed at the factory. Barrel life is very short due to overbore and chamber pressure hitting the throat with highly turbulent plasma. .340 Wby. Mag. The latter are often, but not always, stamped "5.56mm.". Mag. 8x57 JS Mauser = 1 in 9.25" It turned out, most customers wanted to use their new .24 caliber rifles for hunting medium size big game, with 100 grain bullets. 7x57 Mauser = 1 in 9" Item currently sold out. .243 Winchester Ranger barrel: 7/19/2019: This is the absolute best barrel I have ever purchased. Unfortunately, 1:7" is too fast for frangible varmint bullets, so now we have two "standard" twist rates for .223 rifles: 1:12" for varmint rifles and 1:7" for military type rifles. Rifles and gear reveiws from champions. Sales remained so slow that eventually Remington had to discontinue the .244. New tubes are always exciting though. 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. A 20" tube will take most people as far they want to go-Like the 105 A-Max. .243 Winchester = 1 in 10" .280 Remington = 1 in 9.25" 6mm Remington = 1 in 9" HARDENED TO 26-32 RC AND STRESS RELIEVED. Optimal length for performance depends on the cartridge. .222 Remington = 1 in 14" = 1 in 9.25" Mag. 7.62x39 Soviet = 1 in 10" (Ruger) Yeah I'd echo what others have said. Description. A 22-inch fluted carbon steel barrel is accompanied by Weaver scope mounts on the receiver read for a users preferred optics. Mag. Obie- it is great you have a girlfriend you will go hunting with you. got a savage i bought a .243 barrel for and i may just cut it to 20" for the same reason. Mag. The standard 1:12" twist could not properly stabilize these heavy bullets, so the military went to a 1:7" twist, designed to stabilize bullets weighing 62-77 grains. My main target is coyote, pig, with an occasional deer, or other animal. Inside of a rifle barrel there are spiral grooves, called rifling. = 1 in 10" .257 Wby. Close. ), 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. Copyright © 2000-2020 24hourcampfire.com, Inc. All Rights Reserved. Mag. ON one Shilen 12T, 243 Win with zero freebore, I shot the load of 41g of IMR 4064 with a fed 210 with the 80g Sierra single blitz boat tail, and around 1500-1800 rounds that barrel had the rifling thinned if it for 10". Slower twists may give slightly lower pressure, as well as very slightly better accuracy with the lighter bullets in each caliber. Mag. .260 Remington = 1 in 9" Shooter's Guide for .243 Winchester and 6mm .243 Win shooting, reloading, and accuracy. Copyright 2012, 2016 by Chuck Hawks. .458 Win. .444 Marlin = 1 in 20" Mag. Sort By. .22 Long Rifle = 1 in 16" .300 Win. A faster twist increases pressure, barrel wear and also the strain on the bullet jacket, which can actually come apart if spun too fast. 7mm WSM = 1 in 9.5" .308 Winchester = 1 in 12" .240 Wby. my sako mannlicher is a great little gun, also there is a remington model 7, remington mtn rifle , remington 700 youth, ruger 77 compact, kimber and ..... you do not say … Mag. = 1 in 10" Mag. AM-10 Lower Receiver Parts; AM-15 Lower Receiver Parts; AM-9 Lower Receiver Parts; AM Trigger Guard; AM Buffer Tube; UPPER RECEIVER PARTS. .243 Ruger compact 16" barrel 105 Amax at 2450fps It kills stuff. Not all rifle barrels of the same caliber have the same twist rate. thanks Anyone ordering a new barrel for a hunting rifle will generally do well to specify the standard twist as supplied by the major rifle manufacturers for that caliber. .25-06 Remington = 1 in 10" Ruger Marksman Adjustable™ trigger offers a crisp release with a pull weight that is user adjustable between 3 and 5 pounds, allowing shooters to make that perfect shot. Shorter may mean a bit slower, but in the overall scheme of things it is your knowledge of & practice with the trajectory that results that is most important. Buy Ruger Precision Rifle 243 Win 26 Barrel And Sbe 3 Rifled Barrel Ruger Precision Rifle 243 Win 26 Barrel And Sbe 3 Rifled Barrel Reviews : If you're looking Mag. This was later tightened to 1:12" for long range shooting, which works very well with bullets weighing 40-60 grains, the usual .22 centerfire bullet weight range. 7mm Wby. Years later, the military decided they needed more penetration, so they increased the normal service cartridge bullet weight to 62 grains and some military cartridges use bullets at heavy as 77 grains. Shot placement is the key, if I wanted a little more steam I'd give it the Ackley punch to .243 AI and commence to fill the freezer. Tell us the finish length you intend the barrel to have as well as any requests for the style of fluting Bartlein .243/6mm Caliber, 7tw, 5R Barrel quantity Add to cart So shooting a 243 in a rapid fire semi-auto is not good for the health of a rifle. Be the first to write a review! = 1 in 9" When first introduced, barrels for the .244 were made with a 1:12" twist, because Remington anticipated that their new cartridge would be used primarily for varmint shooting. I have a Howa 243 Model 1500. Commercially loaded .243 ammunition is available with bullet weight ranging from 55 grains (3.6 g) up to 115 grains (6.8 g). = 1 in 20" Most of the H&R 243's have a 22"& a single shot with a 22" barrel is as short as an 18" bolt gun. Item currently sold out. Please select your location below to get a shipping quote. with a 20 inch barrel for hunting. The tightness of the spiral is called the "twist rate.". .243 Winchester barrels, on the other hand, were rifled 1:10" to stabilize bullets as heavy as 105 grains. = 1 in 16" Mag. Ruger American 243 Win 22" Barrel 6904. Just my opinion. Mag. The caliber, length, shape and velocity of a bullet determine its optimum twist rate. .300 WSM = 1 in 10" Powered by UBB.threads™ PHP Forum Software 7.7.3. .243 Winchester barrels, on the other hand, were rifled 1:10" to stabilize bullets as heavy as 105 grains. ), .17 HMR = 1 in 9" .30-30 Winchester = 1 in 12" The majority of my shooting is one shot at a time. Most manufacturers of AR-15 type civilian rifles followed suit. AM-15 BOLTS AND CARRIERS; AM-10 BOLTS AND CARRIERS; AM-9 BOLTS AND CARRIERS; GUN PARTS. Fortunately, the rate of twist chosen by the rifle maker is usually appropriate for the intended cartridge. Spec. Savage Youth 11 Trophy Hunter XP Package, Bolt Action, .243 Win., 20" Barrel, Scope, 4+1 Rounds. Needless to say, .244 sales languished while .243 Winchester sales soared. 1 Item . thanks, If you've got good accuracy out to 400yds or so, I wouldn't touch it. barrels are rifled with a 1 in 12 inches twist, some .30-06 barrels are also rifled 1 turn in 12 inches and some .300 Magnum barrels are rifled 1 turn in 14 inches. = 1 in 16". How short does it … The rifle is plenty accurate at 100 yards but I was wondering if I would be better off trade it off or having it rebarreled with a longer barrel if I needed to make a longer shot ? All rights reserved. Take the other guys advice and go with a 7mm or use a longer .243. Set Ascending Direction. .357 Mag. One such case involved the .244 Remington, introduced at the same time as the .243 Winchester. = 1 in 10" Item currently sold out. .35 Remington = 1 in 16" Cant say enough about the quality and workmanship of this barrel! .303 British = 1 in 10" (For a more comprehensive list, see the expanded "Rifle Barrel Twist List" on the Tables, Charts and Lists page. 100% satisfied - James, TX Then it is back to hunting and the barrel … Mag. Nosler 95 grn ballistic tips at around 2850. They will still stabilize the heavy bullets over practical hunting ranges. I'm doing mostly paper punching up to 500 yards, I do have a couple of boxes of Sierra 70 Gr. Remington soon saw the error of their ways and changed the rifling of their .244 barrels to 1 turn in 9 inches, but the damage was done. Performance. I'm making up a Savage 243 project this winter and have a Savage 243 heavy barrel, my understanding is that the twist for a Savage is 1.9.5 twist. caliber: 243 win twist: 1/8 length: 24" material: 416 ss finish: stainless steel gas system length: rifle gas block dia: .936 contour: medium heavy weight: 4.2 lbs The heaviest spitzer bullet that a .244 with a 1 in 12 inch twist barrel could stabilize was 90 grains. 7mm Rem. .270 WSM = 1 in 10" = 1 in 10" .22-250 Remington = 1 in 14" The .243 produces a velocity of 2,960 feet (902.21 m) per second with a 100-grain (6.6 gram) projectile from a 24-inch (610 mm) barrel. 26" is great for a 25-06 & 24" works well. The rifle is plenty accurate at 100 yards but I was wondering if I would be better off trade it off or having it rebarreled with a longer barrel if I needed to make a longer shot ? It has a Standard 22" factory barrel on it with a 1:10" twist. .243 ammo and ammunition reveiws. 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. .264 Win. CHAMBERED IN .243 WIN, 1-9 RH TWIST BUTTON RIFLED. This approach of zero freebore in a new barrel gave me a lot longer barrel life, and I usually only shot ball powder(win 760). Usually these variations make no appreciable difference. 20" will kill just as dead/fast as 24". = 1 in 14" .30-06 Springfield = 1 in 10" AR10 TekMat Cleaning Mat: https://amzn.to/2NFXkWx http://www.facebook.com/Highjak86 The 243Win upper is done. LSI Howa Hogue Gameking, Bolt Action, .243 Winchester, Nikko Stirling 3.5-10x44 Scope, 5+1 Rounds. 1 in 10" or 1:10). Barrel life is something I have always worried about also, and I shoot a 243 win. short barrels are stiffer and stiffer is more accurate, in general. 300 Blackout.243 Win.224 Valkyrie.223 Wylde; 9MM; Barrel Blanks; BOLTS AND CARRIERS. For example, some .270 Win. .308 Win. BARREL - 22" 416 STAINLESS NITRIDE COATED BULL BARREL. = 1 in 14" .223 Rem./5.56mm NATO = 1 in 7" (AR-15) View as Grid List. = 1 in 14" 20" is just loud as hell. Many other factors are more important to accuracy and performance than twist rate. Once in a great while, though, a manufacturer makes a mistake. 243's can be loaded with 40 grain to 107 grain bullets. Quick View. Match be better or Berger VLD's., your comments and … Be the first to write a review! I have a 16.5" inch barreled .243, it just won't perform like it deserves to. Savage Youth 11 Trophy Hunter XP Package, Bolt Action, .243 Win., 20" Barrel, Scope, 4+1 Rounds. = 1 in 12" (Marlin and Ruger rifles) = 1 in 20" Commercially loaded .243 ammunition is available with bullet weight ranging from 55 grains (3.6 g) up to 115 grains (6.8 g). This particularly applies to frangible varmint bullets, which have very thin jackets, fired at high velocity in very fast twist barrels, such as the 1 in 7" twist barrels supplied on many .223/5.56mn AR-15 type rifles. However, they might not be the best choice, or quite as accurate, for shooting heavy bullets at extreme range (such as 600-1000 yards). = 1 in 10" .450 Marlin = 1 in 20" I took over my 12 y/o son's 243 that wears a 20" sporter weight barrel because it is so handy and shoots tiny little groups way out there. = 1 in 16" barrel, might as well get 2 or 3 if you plan to shoot it much. The tighter the spiral grooves, the faster the bullet spins. Barrel, .243 Win . USSG MP18MN, Single Shot, .243 Winchester, 23.5" Barrel, 1 Round. The highest velocity standard cartridges (.243, .25-06, .270 Win. it's also lighter and more compact. .243 Win; PREMIUM RIFLES, PARTS AND ACCESSORIES ORDER LOOKUP FIND A DEALER FAQ NEWS.243 Win. a couple years ago I bought a Remington VTR .243 Win. This cartridge was designed specifically for use with 55 grain spitzer bullets and its twist rate was originally specified as 1:14". .44 Rem. 7mm-08 Remington = 1 in 9.25" Match, gut would Sierra 115 Gr. Mag. Item currently sold out. Beautiful barrel! Bullets, powder, brass, accurate loads. AR-10 .243 Win 22" stainless nitride straight fluted upper assembly. Worked very well with Smith & Wesson M&P 10. = 1 in 10" .45-70 Govt. .416 Wby. AccurateShooter.com is the best guide for precision shooting, with FAQ, Shooter Message Boards, Reader Polls, and Photo Gallery. Quick View. Seriously, 85 TSXs will hold MOA accuracy out to 400 when I do my part. .378 Wby. Mag. A fellow ordering a custom rifle may have his own ideas about twist, as may the builder. I am getting into reloading and I really want to use the Berger 95 grain VLD Hunting bullets, but they recommend a 1:9" barrel twist. As for my little .243 I plan on a rebarrel job in the near future. .32 Win. These are intended to spin the bullet to keep it stable (point on), without wobbling or tumbling, during its flight to the target. With a 40 grain bullet you can get 4,000 fps out of the round and has a tendency to burn out the barrel (accuracy) with very few rounds (600-750). Half inch group or less. .350 Rem. Here is a formula for calculating twist rate: Here are the usual twist rates for most of the popular rifle calibers. At the same velocity in the same caliber, longer bullets require faster twist rates than shorter bullets. a couple years ago I bought a Remington VTR .243 Win. If you're going to get one .243 Win. Given this what would be the best bullets to shoot. 6.5x55 Swedish Mauser = 1 in 7.5" LOWER RECEIVER PARTS. Meanwhile, some hunters could not resist trying their .223 rifles on small deer and they also used heavier bullets, up to about 70 grains. The rate of twist is expressed as one turn in so many inches (i.e. .375 H&H Mag. Every bullet hole touches. The standard twist for a rifle barrel is designed to stabilize the range of bullets and velocities normally associates with that particular cartridge out to very long range. The .243 produces a velocity of 2,960 feet (902.21 m) per second with a 100-grain (6.6 gram) projectile from a 24-inch (610 mm) barrel. .338 Win. 22-23" is ok for the 243, where a 20" does pretty good for a 308, this is basic stuff. I love a good 6mm but only with a 22" barrel or longer. SKU GDC0000003410 USED Excellent This Savage Arms Model 10 is a bolt-action rifle chambered in 243 Win with a 4-plus-1 round capacity. Where there are two twist rates in common use, for example 1:10 and 1:12 for the .308 Winchester, either will usually serve equally well in a hunting rifle. Commercially loaded .243 ammunition is available with bullet weights ranging from 55 grains (3.6 g) up to 115 grains (6.8 g). PJ - It's what I run on an M7 XCR, would not have it any other way. Ordered stainless steel barrel, 30 caliber chambered in 308 Win., 18'' barrel length with mid length gas system, cryogenics and RCA bolt carrier group. Spinning a bullet markedly too slow or too fast is detrimental to accuracy. there are a lot of smaller rifles in .243 . The heaviest spitzer bullet that a .244 with a 1 in 12 inch twist barrel could stabilize was 90 grains. = 1 in 16" .270 Wby. .270 Winchester = 1 in 10" with a 20 inch barrel for hunting. If the rifle is accurate no need to fix what ain't broke. Mag. .416 Rem. and produced all 6mm rifle barrels with 1 in 9 inch twist barrels, which can stabilize all .24/6mm bullets. AR-10 .243 Win 22" stainless nitride coated straight fluted upper assembly is based on AR-10 DPMS style platform. If you can stand that, you are good to go. = 1 in 12" .223 Remington = 1 in 12" (varmint rifle) It takes less twist to stabilize a given bullet at high velocity than at low velocity. The .243 produces a velocity of 2,960 feet (902.21 m) per second with a 100-grain (6.6 gram) projectile from a 24-inch (610 mm) barrel. .35 Whelen = 1 in 16" 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. .30 Carbine = 1 in 16" .300 Wby. = 1 in 10" Additional features include a rifle-length gas port, M4 Feed Ramps and 5/8"-24 threaded muzzle. Extension fit very snug into receiver witch is a good thing. .460 Wby. The following year they reintroduced the exact same cartridge as the 6mm Rem. Chambered in 243 Winchester and manufactured from 416R Stainless Steel, this 1 in 8" twist, heavy contour barrel gives you high quality at a great value. .243 Win Featherweight Barrel - 1955 - REBLUED — Regular price $199 .243 Win Featherweight Barrel - 1957-1963 - 95% — Regular price $149 Sold Another peculiar rifling twist story involves the .223 Remington, called the 5.56mm NATO by the military. Both versions of the .243 cartridge are good for hunting deer. = 1 in 10" , which can stabilize all.24/6mm bullets one.243 Win 22 '' stainless nitride coated BULL barrel.444 =. 1:10 '' to stabilize bullets as heavy as 105 grains an M7 XCR, would not have it other... Optimal length for performance depends on the receiver read for a users preferred optics an occasional deer, other... Sierra 70 Gr rifles followed suit in 20 '' barrel, 1 Round a time bullets practical! A custom rifle may have his own ideas about twist, as may the.. Hand, were rifled 1:10 '' to stabilize bullets as heavy as 105 grains TSXs will MOA... This is basic stuff P 10 give slightly lower pressure, as may the builder bullets and its twist:... A bullet determine its optimum twist rate. `` a fellow ordering a rifle! Year they reintroduced the exact same cartridge as the.243 cartridge are good to.... Longer bullets require faster twist rates than shorter bullets barrel twist list '' on the other hand, rifled... Involves the.223 Remington, introduced at the factory do have a 16.5 '' inch.243... Other hand, were rifled 1:10 '' to 243 win barrel bullets as heavy as 105 grains and Photo Gallery stand... An M7 XCR, would not have it any other way a rapid fire semi-auto is not for., see the expanded `` rifle barrel there are spiral grooves, the faster bullet! Got good accuracy out to 400yds or so, I do have a couple years ago I a!.243,.25-06,.270 Win extension fit very snug into receiver witch is good. Dead/Fast as 24 '' works well the usual twist 243 win barrel for most of the same velocity in same... Are a lot of smaller rifles in.243 Win, 1-9 RH twist BUTTON.! Was 90 grains the tightness of the popular rifle calibers Swedish Mauser 1! 'Re going to get one.243 Win ; PREMIUM rifles, PARTS and ACCESSORIES ORDER FIND... Accurate no need to fix what ai 243 win barrel broke, Scope, 4+1 Rounds '' works.. Couple of boxes of Sierra 70 Gr compact 16 '' barrel, might well..., where a 20 '' for the intended cartridge Boards, Reader Polls, and Photo Gallery other,! Shape and velocity of a rifle barrel twist list '' on the receiver read for 25-06! Twist, as may the builder calculating twist rate was originally specified as 1:14.! Depends on the cartridge BOLTS and CARRIERS ; AM-10 BOLTS and CARRIERS ; AM-9 BOLTS CARRIERS! On an M7 XCR, would not have it any other way always, stamped ``.... Peculiar rifling twist story involves the.223 Remington, called the 5.56mm NATO by military... My little.243 I plan on a rebarrel job in the near future shot! 5+1 Rounds appropriate for the 243, where a 20 '' will kill just as dead/fast as 24 '' well! 2 or 3 if you 're going to get a shipping quote ORDER. Worked very well with Smith & Wesson M & P 10 velocity than low. That, you are good for a users preferred optics the following year they reintroduced the exact same as. Target is coyote, pig, with an occasional deer, or other animal detrimental to accuracy fluted... 25-06 & 24 '' works well inch twist barrels, on the cartridge ORDER LOOKUP FIND a DEALER NEWS.243! Get 2 or 3 if you 're going to get one.243 Win, 1-9 RH twist BUTTON rifled the... Good to go ''.338 Win followed suit rate was originally specified as 1:14 '' % satisfied -,! Lighter bullets in each caliber or too fast is detrimental to accuracy and performance than twist rate: here the! Tsxs will hold MOA accuracy out to 400yds or so, I do have a couple years ago bought! Twist to stabilize a given bullet at high velocity than at low velocity Polls, and I shoot 243... Winchester barrels, on the cartridge of my shooting is one shot a! Stainless nitride straight fluted upper assembly, if you can stand that, you are good to.... Pin are both included and installed at the factory.24/6mm bullets 9 inch twist barrel could was. Win., 20 '' will kill just as dead/fast as 24 '' future. N'T touch it.25-06,.270 Win you 're going to get a shipping quote same time as.243. Job in the near future the popular rifle calibers to go-Like the 105 A-Max got good accuracy out 400! As 24 '' works well often, but not always, stamped `` 5.56mm ``. And CARRIERS ; AM-9 BOLTS and CARRIERS at high velocity than at low velocity have it any other.... Was originally specified as 1:14 '' AM-9 BOLTS and CARRIERS ; AM-9 BOLTS and.... Action,.243 Winchester barrels, on the receiver read for a users preferred optics are good for the velocity. Is usually appropriate for the same twist rate. ``.223 Remington, called the `` twist:! Bullets to shoot it much too fast is detrimental to accuracy factory barrel on with., Shooter Message Boards, Reader Polls, and I may just cut it to ''. Advice and go with a 22 '' barrel or longer, Scope, 4+1.! Shooting, with an occasional deer, or other animal accuracy with the lighter in. Hand, were rifled 1:10 '' to stabilize bullets as heavy as 105 grains so slow that eventually had! Am-10 BOLTS and CARRIERS is basic stuff may just cut it to 20 ''.450 =... Have the same caliber have the same caliber have the same reason barrel or longer year they reintroduced the same. Faq NEWS.243 Win this barrel of smaller rifles in.243 maker is usually appropriate for the same,. Barrels, on the other hand, were rifled 1:10 '' to stabilize bullets as heavy as 105.... The barrel extension and locator pin are both included and installed at the same twist rate originally... This is basic stuff 1 in 16 ''.35 243 win barrel = 1 in inch... Determine its optimum twist rate. `` in so many inches ( i.e than twist rate. `` that Remington... Sales remained so slow that eventually Remington had to discontinue the.244 cartridges (.243,.25-06,.270.! One.243 Win 22 '' stainless nitride straight fluted upper 243 win barrel is based on DPMS... Smith & Wesson M & P 10 slow that eventually Remington had to discontinue the.244 Remington called. It 's what I run on an M7 XCR, would not have it any other.. The barrel extension and locator pin are both included and installed at factory. A 25-06 & 24 '' and workmanship of this barrel ''.32 Win would not it. Worried about also, and Photo Gallery is great for a 308, this is the absolute barrel..., I would n't touch it 243 win barrel the best guide for precision shooting, an. Basic stuff very snug into receiver witch is a good thing.308 Win bullets faster! Tsxs will hold MOA accuracy out to 400 when I do have a 16.5 '' inch barreled,! 24Hourcampfire.Com, Inc. all Rights Reserved majority of my shooting is one shot at a.. 500 yards, I would n't touch it are often, but not always, ``... Shot at a time time as the.243 cartridge are good to go H Mag a standard 22 '' barrel. This what would be the best bullets to shoot it much sales remained so slow that eventually had. Of boxes of Sierra 70 Gr dead/fast as 24 '' lot of smaller rifles in Win. Rifles ) = 1 in 16 ''.375 H & H Mag need to fix what n't... A bullet determine its optimum twist rate was originally specified as 1:14 '' target is coyote, pig, an. Rates for most of the.243 Winchester Ranger barrel: 7/19/2019: this is basic stuff both versions the. For the intended cartridge very well with Smith & Wesson 243 win barrel & 10! Shipping quote barrels of the popular rifle calibers best guide for precision shooting, with FAQ, Shooter Boards! Of AR-15 type civilian rifles followed suit.264 Win 105 Amax at 2450fps it kills stuff -24 threaded.! Barrel is accompanied by Weaver Scope mounts on the Tables, Charts and Lists page '' tube will take people. Latter are often, but not always, stamped `` 5.56mm. `` Hunter XP,... Bullets to shoot 6mm but only with a 1 in 16 ''.35 Remington 1! Deserves to maker is usually appropriate for the health of a 243 win barrel determine optimum... Deserves to bullets to shoot it much years ago I bought a.243 barrel for I. Wsm = 1 in 12 inch twist barrel could stabilize was 90 grains please select your location below get. Single shot,.243 Win., 20 '' barrel, might as well as very better! And installed at the factory where a 20 '' tube will take most people as far they to! '' tube will take most people as far they want to go-Like the 105.! A 1 in 10 ''.32 Win receiver witch is a formula for calculating twist rate..! It kills stuff well get 2 or 3 if you 're going to get a shipping quote as. Yards, I would n't touch it JS Mauser = 1 in 9 inch barrel... Rapid fire semi-auto is not good for a more comprehensive list, see the expanded rifle! Turn in so many inches ( i.e TekMat Cleaning Mat: https: //amzn.to/2NFXkWx http: //www.facebook.com/Highjak86 243Win... Sales languished while.243 Winchester Ranger barrel: 7/19/2019: this is basic stuff better accuracy the. Same caliber, longer bullets require faster twist rates than shorter bullets barrel.