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. 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 "Firebird" Barrel is made by ELD Performance it is 7.5" long, and is machined from 4150 Chrome Moly Vanadium and finished in a Nitride appearance. Chambered for .300 Blackout, using a Government profile design, this barrel will fit your next AR-15 build perfectly.
About the Profile: Government - The government barrel profile is lightweight under the handguards, until just before the gas port. After the gas port, it gets heavier, out to the muzzle.
Barrel Classification: Pistol
Length: This Barrel is designated as a pistol length barrel with an overall length of 7.5".
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, 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 has 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.
Barrel Extension Finish: Nickel Boron - Nickel Barrel Extensions are popular for their incredible strength and reliability under minimal or zero lubrication.
Brand: ELD Performance
Model: "Firebird" 7.5" .300 Blackout, Pistol Gas, Government Profile, 1:8T, 4150 CrMoV, Nitride
Caliber: .300 AAC BLK
Handguard Compatibility: Freefloat
Gas Block Size: 0.75
Gas Length: Pistol
Twist Rate: 1:8
Material: 4150 Chrome Moly Vanadium
Thread Pitch: 5/8x24
Barrel Extension Finish: Nickel Boron
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Warranty, Returns & Terms: MMC Armory offers a 30 day return, refund and exchange policy. You must email or call MMC Armory and obtain an RMA number prior to any return, refund, or exchange. All returns must include the original order number, receipt or invoice, along with the customers billing address, shipping address, contact phone numbers, contact emails, and RMA number. Returns, refunds, and exchanges may take up to two weeks, not including transit times, for processing after we have received return product. Return shipping costs will be the responsibility of the returning party, with the exception of the wrong item being received or on warranty exchange during the first 30 days after delivery. Items returned for warranty will only be replaced or exchanged, no refund given on warranty items.