Faxon Firearms AR-15 18" Gunner, 5.56 NATO, Rifle-Length, .625 Gas, 4150, Nitride, 1-8T Barrel
General Barrel Info: The barrel on an AR-15 originally operates under a 'gas impingement' system, by tapping gas off of the barrel and cycling it back through the gas system to assist the bolt carrier in unlocking and extracting the spent cartridge. AR-15Barrels come in four different specifications for gas systems, Pistol, Carbine, Mid-Length, and Rifle. AR-15 Barrels vary between profiles as well from Government, to Heavy, and Slim. Thanks to the modularity of AR-15, you can choose different calibers starting with the barrel, each with its specific twist rates. Choosing your barrel for your next AR-15 build has never been easier.
About This Barrel: The Barrel is made by Faxon Firearms it is 18" long, and is machined from 4150 Chrome Moly Vanadium and finished in a Nitride appearance. Chambered for 5.56 NATO, using a pencil profile design, this barrel will fit your next AR-15 build perfectly.
About the Profile: Pencil/Slim- Pencil/Slim Profile barrels are designed to reduce the weight on the front of the rifle significantly, by removing as much material as necessary to retain a structurally sound barrel. Pencil barrels are a perfect choice in your next weight-saving build!
Barrel Classification: Rifle
Length: This Barrel is designated as a rifle barrel with an overall 18" length.
Caliber: 5.56NATO - This barrel is chambered to fire both 5.56 NATO and .223 Remington, the most commonly used round designed for the AR-15 platform.
Material: 4150 CrMoV - Chrome-Moly Vanadium, or simply "CMV", is the official mil-spec gun steel developed by Colt Firearms for the military-issued M16 and M4. It contains the same elements as 4150 steel. It also contains Vanadium. Vanadium significantly increases the strength, hardness, and high-temperature stability of the steel.
Finish: Nitride - Nitriding is a process during manufacturing that diffuses nitrogen into the steel to make a case-hardened surface for improved resistance and strength. A Nitrided barrel typically have a gloss black texture.
Brand: Faxon Firearms
Model: AR-15 18" Gunner, 5.56 NATO, Rifle-Length, .625 Gas, 4150, Nitride, 1-8T Barrel
Caliber: 5.56 NATO
Handguard Compatability: Freefloat
Gas Port Size: 0.625
Gas Length: Rifle
Twist Rate: 1:8
Material: 4150 Chrome Moly Vanadium
Thread Pitch: 1/2x28