Examples of government profile barrels with the M203 cutouts include the Colt 14.5 M4 barrel and the Colt 16 6920 barrel. Our Price: $115.00. It is sometimes known by the brand name of Tufftride, Tenifer Black Nitride, or SKU. 20-inch 5.56 Gov't Profile Barrel ; 20-inch .223 OCMP Barrels ; 20-inch 6.8 Rem SPC Heavy Barrel ; 20-inch 6.5 Sporter Heavy Barrel ; 20'' AR15 Standard Upper Half, Government Profile Barrel, 5.56 NATO, chrome lined chamber & bore, 1-7 twist, A2 flashider: $380.00 CHOOSE UPPER & REAR SIGHT Passive retention is adjustable, so you can dial in the retention and draw profile to your desired setting. 20". Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Whether you want a 16-inch heavy profile barrel or a lightweight 20-inch barrel, Del-Ton has the barrels shooters want. Buy Colt 20" Government Profile Barrel, AR15 M16 A2 A4: GunBroker is the largest seller of Rifle Barrels Rifle Parts Gun Parts All: 879650744 Shop AR-15, AR-10, AR-9, and handgun barrels manufactured by Bear Creek Arsenal! Product Overview. This effort was also simplified by using the same barrel as the GA-1 20 mm autocannon (then made by Vektor, it is now a Denel product), which eliminated a major developmental obstacle. Reviews. Our Price: $175.00. Just purchase a magazine and you are ready to go. Joined: Sep 2001. Colt 604 M16 Upper Assembly, 20" Government Profile Barrel, Bolt Assembly, A1 Birdcage, 1/7 Twist 5.56x45 NATO *Very Good* Be the first to review this product . Denmark is participating in many high-profile international science and technology projects, including CERN, ITER, ESA, and was producing 259,980 barrels of crude oil a I'm completely pleased with how it performs. A2 Style 20 Inch Government Profile Barrel This government profile barrel provides excellent velocity for 5.56 rounds, with a full 20 inch barrel and a 1:7 twist rate. Profile - Government. COLT-19228. profile. Government Profile. Colt factory replacement barrel, new with "C" MP stamp for older production Colt with Magnetic Particle Inspection. Black Stock *Actual stock may vary due to supply line issues. 20" Govt. Mil Spec Buffer Kit. Shop for AR-15 barrels , AR-10 barrels , AR-9 barrels , barrels for Glocks , Sig P320 barrels , and many more, all available online at great prices. The advantage to the Government profile barrel is that it can hold up better under sustained rates of fire and still maintain relatively good accuracy. If youre going to be conscious about barrel selection, they are also the most pointless. Reviews. Ballistic Advantage 5.56 20 Barrel Government Profile. Government Profile. An SBR is a rifle with a barrel less than 16 inches or a rifle with a barrel of 16 inches or longer but an overall length of fewer than 26 inches. Shop for 5.56 NATO and .223 Wylde AR15 Barrels at Aero Precision. 20'' 223 Wylde Gov't Profile 1x7 Nitride Barrel w/ Tower. Features and Specifications: Manufacturer Number: 22BA6B6. Quantity: Sorry we are currently sold out. They are available in 20, 24 fluted and unfluted. Precisely control blade speed up to 3,200 SPM with the variable speed trigger and This "Pencil" profile Chrome lined barrel is the same size and finish as the original AR-15, XM16E1, M16 and M16A1 models. AR-15 7.5" 9mm Barrel. Profile: Government Tactical Part #: BABL556026M Caliber: 5.56 NATO Profile Barrel, a1 birdcage flash hider, triangle handguards, Colt bolt carrier assembly, 1/7 twist, 5.56X45 NATO, in *Good* condition. This profile is the leading choice for competition or match-grade shooting. Gas System Length: Rifle. 1x9 Twist. Drop this assembly on your upper, install the included Gas Tube, add your handguards and you are good to go. Profile Barrel, a1 birdcage flash hider, triangle handguards, Colt bolt carrier assembly, 1/7 twist, 5.56X45 NATO, in *Good* condition. Please view details for more information. Gas Block Journal.750. The Colt AR-15 Barrel features a true 5.56x45mm NATO Chamber for use with both commercial and military surplus ammunition, while the 1 in 7" Twist Rifling is capable of stabilizing light to medium weight projectiles of up to about 77 grains. SKU. Details: Government profile 20" chrome moly vanadium barrel with 1:9 twist, threaded muzzle and A2 flash hider. Our Price: $205.00. Buy Colt AR15 AR 15 5.56 20" Government Profile Barrel New: GunBroker is the largest seller of AR15 Parts Gun Parts All: 934928736 Toll-Free: +1-800-504-5897 Live Chat Help Center Check Order Status Barrel has 5.56 Nato chamber, 1/7 twist rate, M4 barrel extension, rifle length gas system, threaded x 28 muzzle and Mil-Spec phosphate coated. The government profile barrel is also compatible with the current M203 mounting systems. Manganese Phosphated. CrazyCoot #17163485 04/14/22. 4140 Chrome Moly. 20'' Del-Ton 5.56 Government Profile 1x9 Moly Stripped Barrel. What more could you ask for from a barrel with this much value? 20" government profile rifle kit comes with everything needed to complete a stripped lower receiver. Rating: 93%. This 20" barrel features a government contour, a 5.56 Nato caliber chamber, a 1:7" twist rate, a 1/2 x 28" TPI threaded muzzle, rifle-length gas ports, a .750" gas block profile and weighs in at 35oz. 20-inch 5.56 Gov't Profile Barrel ; 20-inch .223 OCMP Barrels ; 20-inch 6.8 Rem SPC Heavy Barrel ; 20-inch 6.5 Sporter Heavy Barrel ; 20'' AR15 Standard Upper Half, Government Profile Barrel, 5.56 NATO, chrome lined chamber & bore, 1-7 twist, A2 flashider: $380.00 CHOOSE UPPER & REAR SIGHT 4150 - 11595E Mil-Spec Barrel Steel. I don't know why the rumor persists that 55gr bullets won't shoot at all accurately out of a fast twist barrel. A sterilization Coburn performed on a 20-year-old woman, Angela Plummer, in 1990, became what was called "the most incendiary issue" of his Senate campaign. We currently have 1 A Government Profile barrel has a .750" gas block area just as the heavy barrel. At BCA we take the time to make quality gun barrels that don't sacrifice accuracy and performance but remain at a price point that doesn't break the bank. Pistols, on the other hand, are firearms designed to be gripped by one hand. A lightweight 20" barrel with generally be .625" at the gas block. Search results for: '20" government profile barrel' Search results for: '20" government profile barrel' View as Grid List. Where is a good place to buy a 20" Govt Profile barrel that doesn't cost an arm and a leg? Chamber: The rifle-length gas system gives the shooter a slower, gentler push in recoil than carbine and midlength gas systems, too. Barrel Profile: Government. Barrels Barrels Del-Ton, Inc AR-15 AR15 20' pre-ban barrel Government Profile kit. This barrel assembly has a 20" barrel with a Government profile, 1x9 twist, CAR handguards with single heat shields, and A2 Flash Hider. Colt 20" government profile stripped barrel 1:7 5.56 NATO chambered M16A4 replacement chrome-lined phosphated 4150 CMV steel with 0.75" journal, "C" stamped - New Old Stock. Includes the barrel extension (with M4 feed ramps), barrel nut, triangular front handguard cap, standard A2 front sight base with sling swivel, and bayonet lug. The M4 barrel profile and A2 aka Government profile are the most common. Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: Hop To : Page 2 of 2 : 1: 2: Re: Primary Use for Government Profile Barrel? Government Profile. Made in USA. O ne of the greatest mysteries of the modern AR-15 is the so-called Government Profile Barrel. This article contains affiliate links. What does that mean? This barrel diameter starts at .675 by the chamber and then tapers down to .625 under the handguard. 1:7 Twist Rate. DSA AR15 20" A2 Government Profile 1:7 Twist Chrome Lined Barrel - With Sight Tower Specifications: 5.56mm NATO Chamber & Bore; Chrome Lined Chamber & Bore; 20" Length; 1:7 Twist Rate; Government A2 Profile; 4150 - 11595E Mil-Spec Barrel Steel; Rifle Length Gas System; Threaded 1/2x28; Barrel Extension w/ M4 Feed Ramps; Drilled Gas Port.750" Gas The FAXON FIREARMS BIG GUNNER PROFILE 308 AR BARREL is a marriage of Faxons Government and Pencil profiles that gives balance of manageable weight and high accuracy potential. M4 Feed Ramps. Twist Rate: 1:7. Threaded, 1/2-28 thread, with barrel nut, handguard cap and front sight housing with bayonet lug, Barrel diameter .750 at front sight base. ### From the manufacturer Del-ton Government Profile Rifle Kit Twenty inch chrome moly vanadium barrel, M4 feed ramps, 1:9 inch twist, A2 flash hider, manganese phosphated, phosphated under front sight base, taper pins in F-marked front sight base, threaded muzzle. Our Price: $115.00. 20 1:8 twist chrome lined government profile barrel complete with standard height front sight base hand guard end cap and barrel nut..made of 4150 Vanadium steel.Chrome lined chamber and bore.1:8 twist.5.56 Chamber.M-4 feed ramps.Standard height front sight base For use With A2 integral carry handle uppers.Made in the USA. BCM Bolt Carrier Group: None BCM Bolt Carrier Group (MPI) (Auto) + $189.00. Warning! 20" 5.56 Nato Government Profile Barrel - Nitride Finish. A2 Style 20 Inch Government Profile Barrel This government profile barrel provides excellent velocity for 5.56 rounds, with a full 20 inch barrel and a 1:7 twist rate. Rifle and Handgun Barrels| Shop Now & Save - AR-15 - 8.5 - 20 - 24 - Heavy Barrel - Government - Mid Weight THE .223 WYLDE CHAMBER WAS DESIGNED AS A MATCH CHAMBERING FOR SEMI-AUTOMATIC RIFLES. Raymond H. LaHood (born December 6, 1945) is an American politician who served as the 16th United States Secretary of Transportation from 2009 to 2013 under President Barack Obama.A member of the Republican Party, he previously served in the Illinois House of Representatives (19821983) and United States House of Representatives (19952009).. His son Darin So, here is a quick demonstration of the two standard milsurp types out of a "Government profile" chrome lined 20" Colt barrel of not Click to shop AR 15 Books. Search results for: '20" government profile barrel' View as Grid List. An AR15 with a SOCOM barrel is, of course, not as thin as a Pencil barrel and can take several rounds without significant heating and perform as expected with a bit of overall weight reduction. This 5.56 chambered 20" Gov Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. I will call in short word as 20 Inch Government Profile Barrel And Airsoft Repainting Mp5 For folks who are looking for 20 Inch Government Profile Barrel And Airsoft 20" Govt. Includes fully assembled, headspaced and test fired upper receiver, lower parts kit and buttstock. One of the greatest mysteries of the modern AR-15 is the so-called Government Profile Barrel. Sorry to derail the thread but the .750 diameter under the FSB is not what makes it a govt profile barrel. However, youre right in the sense that the A2 is what many or maybe some, refer to as THE govt. profile barrel. Standard Charging Handle. are still putting government profile barrels on their guns. FN Manufacturing 20 inch - Gov't Profile - Barrel - NO FRONT SIGHT $299.00 SKU: 2468 FN Manufacturing 20 Inch Government Profile ( A2 ) Hammer Forged barrel. This Modern Series 20 Government Barrel is configured with a rifle length gas system, and includes a sub MOA accuracy guarantee from BA. 1 Review . 20" Length. Choose from barrel lengths from 11.5 inches through 20 inches and anything you might desire in between. The retention shell is canted, so that this chest gun holster has a natural draw angle. 1x Madbull Daniel Defense 20" Government Profile Outer Barrel; View All Close. 20in. Barrel Profile: Government / SOCOM. Barrel: Chrome Moly Vanadium; M4 Feed Ramps. Wilson Arms 20" Gov't Profile 223 Wylde 1x9 Stainless Steel w/ Tower. Add to Cart. Quench Polish Quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. A2 Flash Hider. Just recently, a fellow at work was all concerned that his proposed build might suffer if he gets a "too fast" twist barrel. OKANOGAN Northwest Barrel Horse Associations first event of the season was May 7 at the Okanogan County Fairgrounds, with riders competing for points and pay. Thomas Allen Coburn (March 14, 1948 March 28, 2020) was an American politician and physician who served as a United States Senator for Oklahoma from 2005, until his resignation in 2015. A Republican, he previously served as a United States Representative . 15" Rail Black *Actual rail may vary from what is pictured* Micro Gas Block. CMMG Barrel and Bolt Group Kit, 20" GP 4140 CM SBN, 22 Long Rifle. This article contains affiliate links. Upper Receiver. Choice of "F" or non-F market FSB, Tapper pinnencludes barrel nut and Delta Ring. Buy, Sell, and Trade your Firearms and Gear. Items 1-12 of 1275. The Del-Ton RKT106 Government Profile Rifle Kit 5.56x45mm 20 Inch Barrel Black. Rifle kit does not include stripped lower receiver, rear sight or magazines. Shop for AR-15 barrels , AR-10 barrels , AR-9 barrels , barrels for Glocks , Sig P320 barrels , and many more, all available online at great prices. The gas port on the 18 inch barrel is a bit small (just under 3/32") and so you need new parts and a clean rifle for it to cycle. Barrel Style: Standard. Comments about FN Barrel AR-15 5.56x45mm 20" Government Contour Rifle Length Gas Port 1 in 7" Twist Chrome Lined Chrome Moly Matte. Mil.-spec forged 7075 T6 aluminum upper receiver with A3 flat top, M4 feed ramps, right hand eject with ejection port cover, round forward assist. A2 Flash Hider. The downside is another tremendous loss of velocity from rifle rounds, and a tremendous increase in noise. Quantity: Sorry we are currently sold out. 4150 Chrome Moly Vanadium 11595E steel, chrome lined, chambered in 5.56, 1/7 twist, rifle length gas system, 1/2" x 28 muzzle thread, black manganese phosphate finish. Rifle kit does not include stripped lower receiver or magazines. For use in States with restrictions on flash hiders, we developed this 20 government profile barrel with a pinned & welded on A2 Birdcage type Muzzle Brake. 11.5" 5.56 Government Profile Carbine Length AR This, I guess, by that definition, makes the A2 barrel THE true govt. 1:7 twist. HPT / MP Inspected Barrels . Government A2 Profile. Rifle Gas Tube. Please view details for more information. View All Close. The Government Profile Barrel Is Dumb. 0 Reviews. Barrel Chamber: 5.56 NATO. Sort By. Yes 100yds, Del-Ton 20" government profile/rifle length gas, 1:9 twist. Barrels come in various lengths, gas systems, finishes, profiles, and flutes. 556 BCG. Your Price $53.00. If an A2 clone is in your future, look no farther than the Ballistic Advantage 20 government profile barrel. CMMG Barrel and Bolt Group Kit, 20" GP 4140 CM SBN, 22 Long Rifle. Barrel: Chrome Moly Vanadium. Super Shorties 5.5 to 7.5. Length - 20". Rifle and Handgun Barrels| Shop Now & Save - 16 - 10.5 - 8.5 - 20 - Government The store will not work correctly in the case when cookies are disabled. This 20" barrel features a government contour, a 5.56 Nato caliber chamber, a 1:7" twist rate, a 1/2 x 28" TPI threaded muzzle, rifle-length gas ports, a .750" gas block profile and weighs in at 35oz. Features and Specifications: Manufacturer Number: 22BA6B6. Get free shipping on qualified Barrel Rain Barrels products or Buy Online Pick Up in Store today in the Outdoors Department. 1/2" Crush Washer. This is perfect as a replacement barrel, or for that service rifle build youve been planning. If you drill out the gas port a little it will run anything. Barrels come in various lengths, gas systems, finishes, profiles, and flutes. 5.56 Nato. COLT-19228. At the pistol level, these can be an excellent short barrel for sub-gun sized AR-15s. Posts: 17,383. Shop CMMG, Inc 22LR Mk4 Barrel Kits w/ Bolt Group | Up to 11% Off 4.9 Star Rating on 41 Reviews for CMMG, Inc 22LR Mk4 Barrel Kits w/ Bolt Group Best Rated + Free Shipping over $49. Lower Parts Kit. Weight 58 ounces. Quib. Taper Pins on F-Marked Front Sight Base. Related search terms Barrels+for+ar barrel+brake+in barrel+for+ar barrel+bead+in barrel+for+ar+450bushmaster. Colt 604 M16 Upper Assembly, 20" Government Profile Barrel, Bolt Assembly, A1 Birdcage, 1/7 Twist 5.56x45 NATO *Very Good* Be the first to review this product . I wanted to build a modernized fighting rifle instead of another carbine, and I knew this barrel would be a solid foundation. The government profile barrel is also compatible with the current M203 mounting systems. This 20" barrel is no exception. Chambered for 5.56x45mm. Length - 20" Material - 4150 Chrome Moly Vanadium Profile - Government Finish - QPQ Corrosion Resistant Gas System Length - Rifle Gas Block Journal - .750" Twist Rate - 1:7 inches Muzzle - 1/2x28 Threaded Weight - 35oz The country's first social democratic government took office in 1924. Chrome Lined Chamber & Bore. Our 20-Volt MAX XR Cordless Barrel Grip Jigsaw features an efficient motor for powerful performance and extreme runtime. I was doing some research on barrels and was a bit puzzled to find that so many top flight manufacturers (e.g., Daniel Defense, BCM, etc.) Choose a lightweight 20-inch AR 15 barrel with chrome lining for your next build, or AR 15 20 barrels in government profile with or without an included front sight base. Government profile barrels that are significantly shorter than the 20 barrel required the addition of cutouts on the barrel forward of the front sight base to be able to attach an M203 grenade launcher. 20" 1x9 Twist, Government Profile Chrome Moly Vanadium Barrel Chambered in 5.56 Nato Standard Length Gas System Comes with F-marked FSB, Barrel Nut, and Triangular Handguard Cap Does NOT include Front Sight Post, Detent, Spring or Front Swivel and Rivet Please note, signature required for delivery of this item. Rimfire Ammo; Shotshell Buckshot Ammo; Shotshell Lead Ammo; Shotshell Steel Ammo; Shotshell Non-Toxic Ammo; Shotshell Slug Ammo; Black Powder; Blank Rounds Reviews. Ballistic Advantage 20" 5.56 Government Rifle Length AR 15 Barrel, Modern Series - FSB w/ Delta Assembly. 23 October 2010, 15:09 #2. Rifle kit does not include stripped lower receiver or magazines. Nitride Finish. Just purchase a magazine and you are ready to go. Add to Wish List Add to Compare. Global benchmark Brent is currently trading near $105 a barrel. - Buy AR15 Barrel, 18" BB M16 5.56 RIFLE online AR15 20" A2 Government Profile 4150 - 11595E Mil-Spec Barrel Steel. Barrels are also available in .260 and .308 Winchester. Special Price: $159.19. M16A2 Rifle Barrel Assembly - for C7 / M16A2 builds. The best research I can find on why such a thing exists shows the idea to be extremely dumb. The rifle-length gas system gives the shooter a slower, gentler push in recoil than carbine and midlength gas systems, too. Home Forums Hunting & Shooting AR and Tactical Rifles Primary Use for Government Profile Barrel? 20 Inch Standard What does that mean? To demonstrate a variety of options, we obtained four identical standard 16-inch mid-length gas system barrels with government profiles (and 0.750-inch gas block) from Bravo Company USA. IT WILL ACCOMODATE BOTH .223 REM AND 5.56MM NATO AMMUNITION. In stock. At BCA we take the time to make quality gun barrels that don't sacrifice accuracy and performance but remain at a price point that doesn't break the bank. Barrel Length (inches) 20. The Melonite finish inside and out makes the BA 20 government profile barrel corrosion resistant as well as easy to maintain. 20" Length. Ballistic Advantage 16 inch 5.56 NATO Government Profile Midlength AR-15 Barrel, Modern Series . Set Ascending Direction. Includes fully assembled, head-spaced and test fired upper receiver, lower parts kit and buttstock. 3. The trigger is about 4-4.5 lbs, JP springs, with pre-travel adjusted/ creep minimized. Threaded Muzzle. This 5.56 chambered 20 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. In stock Purchase Now View Details . 20 1:7 twist chrome lined government profile barrel complete with standard height front sight base hand guard end cap and barrel nut..made of 4150 Vanadium steel.Chrome lined chamber and bore.1:7 twist.5.56 Chamber.M-4 feed ramps.Standard height front sight base For use With A2 integral carry handle uppers.Made in the USA. This 5.56 chambered 20 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel and comes with a pinned Front Sight Base and Delta Ring Assembly Kit. The Del-Ton 20 Government Profile Rifle Kit comes with everything needed to complete a stripped lower receiver. Notice how the government profile starts narrow swells out for the gas block, and then remains heavier out to the muzzle. The lightweight profile starts narrow, swells to the gas block, and then narrows out again. This is actually a hybrid solution, where the diameter at the gas block is the same between both barrels. Bull Barrel Profile. Items 13-24 of 1272. Regular Price: $198.99. 5. BCM Charging Handle: None Mod 3x3 Ambi Handle + $56.95 Mod 4x4 Ambi Handle + $56.95 Mod 3B Handle + Windham Weaponry 20" A2 gov't profile barrel. Del-Ton 20-inch AR barrels are manufactured from chrome moly vanadium, feature 1 in 9 twist rifling and fit standard-length gas systems. All twist 1:7, 1:12, and 1:14 are being manufactured. Ballistic Advantage - 20" Barrel - .308 Winchester - Heavy Profile Rifle Length - Modern Series Barrel - 1:10 Twist - .750 Gas Block - BABL308006M MSRP: $250.00 | Your Price: $237.50 AR-15 Barrels for Sale at Joe Bob Outfitters! Description. Phosphated under Front Sight Base. Everything you need to convert your existing upper to a dedicated .22LR. Whatever length youre looking to build, there are AR 15 5.56 barrels ready for your project. Our 16 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 16 Government profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with mid-length gas system. Material - 4150 Chrome Moly Vanadium. Pistols can have any length barrel, though most commonly they will have shorter barrels ranging from 3 to 12 inches. [WTB] 20 Government profile barrel / M16A4 barrel [FL] Close. 20". AR-15 Barrels for Sale at Joe Bob Outfitters! Sorry we are currently sold out. This barrel diameter starts at .675 by the chamber and then tapers down to .625 under the handguard. Specifications: 5.56mm NATO Chamber & Bore. These super-short barrels make your rifle as small and compact as it can be. Our Price: $155.00. High quality American made parts with free shipping over $99. 20" Pre-Ban Flat Top Government Profile Complete Upper Assembly by DEL-TON This barrel assembly has a 20" barrel with Government profile, 1x9 twist, CAR handguards with single heat shields, and A2 Flash Hider. Just before the gas block, it widens again to around .75 through the rest of the barrel. So, Quib, I'm not sure whether I want a Government Profile or a Lightweight. AR-10 6.5 Creedmoor 20" Stainless Straight Fluted Heavy Barrel - Rifle Length Gas System - 1:8 Twist. DSA AR15 20" A2 Government Profile 1:7 Twist Chrome Lined Stripped Barrel. The M4/A2 profile are the same, save for a cutout in the M4 barrel for mounting an M203 grenade launcher. Filter By 10.5" 5.56 Government Profile Carbine Length AR 15 Barrel, Modern Series Rating: 100%. Madbull Daniel Defense 18" SPR Profile M4 Outer Barrel. $165.00. Shop our AR Complete Uppers and choose your barrel and additional add-ons only on BalisticAdvantage.com! Nitride Finished. 4140 Chrome Moly. Barrels Barrels Del-Ton, Inc AR-15 AR15 20' pre-ban barrel Government Profile kit. Something is appealing and nostalgic about the classic M16A2, especially to us DD214-holders dating back more than a couple of decades. Everything you need to convert your existing upper to a dedicated .22LR. Description. Hard coat anodized. Barrel: Chrome Moly Vanadium M4 Feed Ramps 20" Length 1x9 Twist A2 Flash Hider Manganese Phosphated Phosphated under Front Sight Base Taper Pins * The story of the government profile barrel is about trying to solve a problem that didnt actually exist. As youll see in the paragraphs that follow, the engineers thought they knew the problem, and applied a solution. By the time they realized that the problem was something entirely different, it was already too late. The Del-Ton 20 Government Profile Rifle Kit comes with everything needed to complete a stripped lower receiver. Customers Also Viewed; Customers Also Viewed. Barrel Length: 20 Inches Barrel Twist Rate: 1:9 Barrel Profile: .750" Diameter Heavy Barrel Hand-guards: Black Composite w/ Heat shield M4 Style Feed Ramps AR-15 Lower Receiver Parts Kit: AR-15 Complete Lower Receiver Parts Kit with Pistol Grip. Jackpot 4D 20' Government Profile Barrel, 5.56 NATO, chrome lined chamber & bore, 1-7 twist, threaded muzzle 1/2 x 28 thread: $245.00 Jerry Miculek comp. Includes fully assembled, head-spaced and test fired upper receiver, lower parts kit and buttstock. Madbull. A govt profile barrel is defined by the contour under the handguards which tapers from .675" after the chamber to .625", where the handguard cap shoulder starts. 20'' Del-Ton 5.56 Government Profile 1x9 Moly Stripped Barrel. In stock.