ELD Performance "Mainstay" AR-15 4.5", .45ACP, .578x28, Medium Profile, 1-16T, 4150 CrMoV, Nitride 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 "Mainstay" Barrel is made by ELD Performance it is 4.5" long, and is machined from 4150 Chrome Moly Vanadium and finished in a nitride appearance. Chambered for .45 ACP, 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 4.5".
Caliber: .45ACP - This barrel is chambered for .45ACP, a low velocity, high mass, hard hitting pistol cartridge, most popular with 1911, adapted 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.
Thread Pitch: .578x28 - Common threading for barrels chambered in .45ACP
Brand: ELD Performance
Model: "Mainstay" AR-15 4.5", .45ACP, .578x28, Medium profile, 1-16T, 4150 CrMoV, Nitride Barrel
Caliber: .45 ACP
Handguard Compatability: Freefloat
Twist Rate: 1:16
Material: 4150 Chrome Moly Vanadium
Thread Pitch: .578x28
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Warranty, Returns & Terms: Delta Team Tactical offers a 30 day return, refund and exchange policy. You must email or call Delta Team Tactical 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