If you have a magnum, 24 is the most you want, and you can get away with 23 inches unless you’re shooting something like a 7mm STW. 275. Comparing the 20 Practical and 20 Tactical Kevin tells us: “The 20 Practical and the 20 Tactical are almost identical cartridges. Re: 243 Win Barrel length Well I cancelled my ER shaw barrel, and pick up a almost new Shilen 243 win 26" varmint contour barrel in 1:8 twist. I’ve closed out coyotes/foxes/marmots at 400+ with little hold over. 2. I was wondering how short of a barrel I can get away with, in a 20 Practical, and still burn the power efficiently. Run a case into a Redding S-bushing full-length sizing die using a couple different bushing and you have a 20 practical. 20-inch barrels allow you to maximize the velocity of a 5.56 or 223 Remington round. It is chambered in "20 Practical", a cartridge popularized by Warren "Fireball" Brookman. Since we live in a “Be practical” type of world, we fired off a “Help!” missive to Dan Lilja, the honcho at Lilja Precision Rifle Barrels (P.O.Box 372, Plains, MT, phone (406) 826-3084), together with a cover letter that mused… “I’m looking for a good, technically-oriented response… but not a rewrite of Gone With The Wind “. Barrel length affects velocity more when you tune the load for the barrel length. Barrel length recommendations for .20 Practical 20 Practical AR "Ultimate Varminter" Warren's 4200 FPS "20 Practical" THE ECONOMICAL 20 PRACTICAL « Western Powders The 20-Caliber Black Rifle — AR Chambered in 20 Practical « Daily Bulletin 20 Practical - A Potent, Accurate Varmint Cartridge, Based on the .223 Rem | OutdoorHub.204 vs. .20 Practical vs. .20 Tactical - … Your MV gain from a 22.5 to a 24 inch barrel will be close to nil. bullets (around 40 gr. 6x6.8 caliber 20" length. I have an ar lower waiting for an upper and Ive been very intrigued with the .204 ruger but I already have a ton of .223 components so thinking the 20 practical … All X-Caliber AR barrels are made to a 1.92" gas block journal length EXCEPT our Lightweight & Spaghetti contours which have a 1.00" length. I can't seem to find the info on any of the powder company web sites. A .25-06 is going to probably need at least 18-20 inches to take advantage of the large powder charge. The simple truth here is that a 20” barrel is the optimum length for 5.56-based cartridges. A 20 inch barrel seems about right to me for a riot gun, but it is definitely NOT a sporting gun and such weapons are not intended for shooting clay targets or any sort of game bird. ). Select options / Details.20 Practical caliber 22″ length $ 324.99. At 24" long and with a 11° target crown these .20 Practical barrels are perfect for long range varmint hunting. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. I could really use some help on what length barrel will get me maximum velocity out of the vartarg and well as the 20 tactical. Lol. Thanks in advance. Bang for your buck? Rifle length barrels of 22-24 inches are typical for slug guns. This caliber is a great choice when you’re looking for 4200 FPS or better velocities and you are shooting from a fixed position such as prairie dog shooting. 20 Inches. 20 PPC. Rated 5.00 out of 5 $ 309.99.450 Bushmaster caliber 20" length barrel. Phone: 435.229.2121 Email: [email protected] Top Rated Products. Joined: Dec 30, 2008 Messages: 123 Location: Central Missouri. Barrel wear in a centerfire rifle is almost exclusively due to throat erosion (cracks and roughness in the first 3-4 inches ahead of the chamber caused by heat, flame, and pressure). I have an 8lb jug of BLC-2 and quite a bit of h322. I got a really good deal on a 9.5" Danial Defense lite rail ..there my favorite..and I have an AR-15 carcass crying to be brought back to life..I thought it would be a cool combo..light weight, fast , accurate..then I found out the best barrel length is 22-24" for the 20 practical..so I thought I would try to push 20" with a mid length gas system. I get about 3600 fps from this with my 24 inch barrel .20 Practical and this is very close to what I get from my .204 Ruger that has a 22 inch barrel. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Ballistic308. .20 Practical caliber 20″ length $ 309.99. 22 Win. With the number of “overbore” rifle cartridges popular today, barrel erosion is becoming a hot topic. About AR15.COM. 20 BR. Ballistics. I use a shell holder that has .003 inch ground off the top. View Profile View Forum … I full length size and trim to the suggested trim-to-length all of my brass. Please note that the dimensions in parentheses indicate special neck diameters. There are only slight differences in case Outside Diameter, shoulder angle, and case body length. As I stated before, I feel like the .223 performance lacks, even more so when you cut the barrel length down. Hmmm, from what Chuck M says looks like 24" mite be where you would want to be if you want to burn all the powder. The Weird One. We are chambering and fitting Shilen barrels for the following cartridges. The 20 Practical chambering offers .204 Ruger-class ballistics using standard .223 Rem brass and easily-modified .223 Rem dies. The 20 Practical uses .223 Remington brass necked down to 20 cal. fan. Qty. #2 03-04-2009, 02:31 AM woolenmammoth. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry. Ritchs Precision Guns. 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