This site and its community are a labor of love. All stripped barrels come equipped with an A4 Barrel Extension with extended M4 Feed Ramps for enhanced feeding reliability and a pre-installed locator pin. TRYBE Defense has your back with an amazing lineup of AR15 barrels. The standard V9 utilizes a 16 inch government profile barrel, while the V9 Light Weight features a slimmer 16 inch “pencil profile” barrel. Usually 20", some 16" Midlengths are made this way. Im looking to get a 14.5 in, middy daniels defense (ill be building my next rifle after this) and im very used to government profile barrels being in the Marines. Theory is that by removing the shoulder lump it reduces barrel whip and makes it easier for follow-up shots and overall accuracy. Discussion in 'AR-15 Discussion' started by blakeforeal, Oct 7, 2014. That’s a bonus to marksmanship competitors, or anyone shooting for accuracy, but is less relevant to combat conditions. The government profile became the new standard, even though it wasn’t all that useful for its intended purpose. He's former military officer turned professional tech sector trainer. These barrels are made to the highest of Colt standards in craftsmanship and reliability. The government profile barrel is also … ar-15 5.56/.223 16" sabre defence mid-length government profile upper assembly includes all original sabre defence products. It only weighs 4.8 ounces more than the previous “standard” profile, so it’s not a huge weight increase. For a civilian the two barrel profiles will work out the same. You’d think that’s where the mass should be. Excellent write-up.… Read more ». Not to mention practice ammo and gear to review. 5in M4 Profile Upper Receiver/Barrel Assembly $ 520. Caliber: 5.56 NATO. I don’t think I’d win that battle, though, as the trend is towards shorter and thicker barrels found in the M4A1. The sine wave, if we had a means to compare the two profiles side by side, would likely be more subtle compared to that of a standard gov’t profile barrel. I hope you stick around for a while, and maybe even join us. The gauge wouldn’t pass through the bore, so the assumption was that the barrel was “bent.”, We (Marines) were replacing a lot of “bent” barrels that were determined to be “bent” because the Armorer’s Bore Drop Gauge would not freely pass through some barrels during Ordnance Inspections (LTI’s). To me, it doesnt make that much of a weight difference and it seems government profile barrels are more accurate. The Marines have always prided themselves on their marksmanship skills. blakeforeal New Member. With the problem solved, the new barrel design went into effect. I’ve seen Ballistic Advantage make a similar barrel, but not in 20″ length. Thanks for reading! Thanks for posting this one. The USGI barrel profiles (often referred to as the Government Profile) enable the operator to carry their weapon for longer periods of time and deploy them faster than the heavier commercial H-Barrel counterparts. The M4 barrel is lightweight under the handguards, until just before the gas port. Ballistic Advantage Hanson Profile AR-15 barrels are precision machined from extra-strong 4150 chrome-moly-vanadium steel alloy, and have a nickel-boron coated barrel extension with M4 feed ramps to help ensure reliable feeding and extraction. Matt is the primary author and owner of The Everyday Marksman. An A2 barrel is very similar except it gets wider under the front sight and stays wider until the end and will only weight slightly more than an A1 barrel, this is called 'Government profile' An M4 will be very similar to an A2 except shorter, and has the same widening and under the FSB as the A2, but in between the front sight and the flashider it steps back down in profile then back up to accommodate a … The Everyday Marksman is primarily funded by readers like you. 14.5″ is the length of the military M4 and M4A1 carbine barrels. He's a lifelong learner, passionate outdoorsman, and steadfast supporter of firearms culture. Unlike the 14.5-inch barrel of the true M4 Carbine, the LE6920 M4 carbine features a slightly longer, 16.1” chrome-lined barrel with a 1:7 rate of twist, which enables virtually unlimited selection of ammunition. All Hanson Profile barrels come from the factory with a .750" low-profile gas block installed and pinned. Colt 1911 and Government pistol barrels are the perfect replacement part or upgrade component for your favorite firearm. So I am currently on the market for a barrel to finish up my first AR build and I am torn between the SOCOM and Standard M4 gov profile barrels. Government Profile Vs. Pencil Barrel – My Blog; Comments. The new technical data package was already written and put into effect. A visual comparison of a 16" Government Profile barrel (on top) and a 16" Lightweight Profile barrel on the bottom. I’ll get to that in a bit. ... A selection Daniel Defense M4 AR15 Barrels demonstrating the Government profile. USSOCOM issued a Ground Precautionary Message in 1996, ACALA #97-03, demonstrating that most of the heat generated from firing occurs about 3″ to 4″ in front of the chamber. Sorry for your Inconvenience. Looking to give the people the closest thing to it without talking to a recruiter, Daniel Defense introduced their DDMK18 pistol in 2015 complete with a RIS II rail system and a 10.3-inch government profile barrel. They are great for weapons that get carried a lot and shot on a light to medium schedule. + Newsletter+ New Content Alerts+ Deals and Sales. Lt. Col Lutz and his team realized that a heavy barrel all the way through was not a practical solution for a lightweight combat rifle like the M16. thank god for the aftermarket! Home » Equipment » The Story of the Government Profile Barrel. Colt has an intricate internal nomenclature system for its models, with a variety of suffixes and prefixes. Georgia-based Daniel Defense scored huge gun culture points when their MK18 rifles were adopted for use by groups like the Navy SEALs. This was where the Armorer’s Drop Gauge was getting stuck. Oct 7, 2014 #1 . Im looking to get a 14.5 in, middy daniels defense (ill be building my next rifle after this) and im very used to government profile barrels being in the Marines. Ther… He was later the VP for Military Operations at Knights Armament Company. M4: 16" Thin under the handguard, thicker in front of the sight, but has a groove cut there (to mount the front of the M203 grenade launcher on the military guns). My CAR is stainless steel 416 and my M4 is CMMG 14.5" w/ Phantom 5C2 and chrome lined Gov't profile. You can configure an AR-15 into ALMOST an M4 by simply putting a 16" barrel in the "M4 profile" on an upper which has the M4 feed ramps. A Government profile Barrel does NOT have the M203 notch A M4 barrel profile DOES have the M203 notch A LW barrel profile does NOT have the M203 notch The Government barrel is just heavier (although not much) than the LW. 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