Faxon Firearms AR-15 10.5" Gunner, 300 BLK, Pistol-Length, 4150 QPQ, 1-8T Barrel
General Barrel Info: The Barrel on an AR-15 pistol operates through a 'gas impingement' system, where gas is tapped from off from the barrel and cycle back through a connected gas system, to help the bolt carrier in unlocking, and extracting a spent cartridge. Pistol length AR-15 barrels come in two gas lengths, Pistol, Carbine, & Mid-Length. AR-15 Pistol barrels can be chambered in a variety of different calibers, spanning from rifle to pistol cartridges. Thanks to the modularity of the AR-15 platform, your next pistol will be incredibly easy.
About This Barrel: The Barrel is made by Faxon Firearms it is 10.5" long, and is machined from 4150 Chrome Moly Vanadium and finished in a Nitride appearance. Chambered for .300 Blackout, using a Medium profile design, this barrel will fit your next AR-15 build perfectly.
About the Profile: Medium - Medium Profile barrels are designed to have an even weight distributed from the beginning to the end of the barrel, this results in a rather tubular looking appearance but with identical rigidity and properties to a government profile barrel.
Barrel Classification: Pistol
Length: This Barrel is designated as a pistol length barrel with an overall length of 10.5".
Caliber: .300BLK - This barrel is chambered in .300 Blackout, a modern intermediate rifle cartridge developed for reliability under sub-sonic and super loads through a suppressed or unsuppressed barrel configuration. .300 Blackout is the Western counterpart to Russian 9x39 Rifle Cartridge. .300 Blackout is an ideal cartridge for hog hunting, shooting suppressed with sub-sonic ammunition, and home defense due to improved stopping power.
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.
Thread Pitch: 5/8x24 - 5/8x24 Threads are commonly found on barrels chambered in .30 Cal and up. Usually .308 Win, .300BLK, 6.5 Grendel, 6.5 Creedmoor, and 7.62x39. Muzzle Devices such as flash hiders, blast cans, and compensators will work with this barrel.
Brand: Faxon Firearms
Model: AR-15 10.5" Gunner, 300 BLK, Pistol-Length, 4150 QPQ, 1-8T Barrel
Caliber: .300 AAC BLK
Handguard Compatability: Freefloat
Gas Port Size: 0.75
Gas Length: Pistol
Twist Rate: 1:8
Material: 4150 Chrome Moly Vanadium
Thread Pitch: 5/8x24