10.5" 7.62x39 AR-15 Upper with Chrome Moly HBAR Barrel and 9.75" M-LOK Rail
This 10.5" 7.62x39 AR-15 upper combines a chrome moly HBAR barrel, pistol-length gas system, and 9.75" free-float M-LOK handguard in a fully assembled upper receiver configuration. The 7.62x39 cartridge provides a heavier projectile option for the AR-15 platform and is commonly used for recreational shooting and general-purpose builds. Each upper is assembled in the USA and individually checked for proper headspace using Manson GO and NO-GO gauges.
Quick Glance:
Caliber: 7.62x39
Platform: AR-15
Barrel Length: 10.5 inches
Barrel Material: Chrome Moly
Barrel Profile: HBAR
Barrel Finish: Parkerized
Twist Rate: 1:10
Barrel Extension: Standard AR-15 30 Cal. Barrel Extension with Wide Feed Ramps
Muzzle Threads: 5/8x24
Gas System: Pistol Length
Gas Block: .750" Low Profile - Manganese Phosphate Finish
Handguard: 9.75" Free-Float M-LOK Rail
Upper Receiver: Forged 7075-T6 Aluminum
Muzzle Device: A2 Flash Hider
Headspace: Checked with Manson GO and NO-GO Gauges
Assembly: Fully Assembled Upper Receiver
Full Details:
Upper Receiver:
The upper receiver is forged from 7075-T6 aluminum and includes the forward assist and dust cover assembly installed. It features a matte black hardcoat anodized finish meeting MIL-A-8625 Type III Class 2 specifications.
10.5" 7.62x39 Chrome Moly HBAR Barrel:
The 10.5" chrome moly barrel features an HBAR profile, 1:10 twist rate, Parkerized finish, and 5/8x24 muzzle threads. A standard AR-15 30 Cal. barrel extension with wide feed ramps is used for the 7.62x39 cartridge.
9.75" Free-Float M-LOK Handguard:
The upper features a lightweight 9.75" free-float M-LOK handguard machined from 6061 aluminum. M-LOK mounting slots run along the 3, 6, and 9 o'clock positions for attaching compatible accessories. The handguard features a matte black hardcoat anodized finish meeting MIL-A-8625 Type III Class 2 specifications.
Gas System:
A pistol-length gas system is paired with a .750" low-profile gas block with a manganese phosphate finish.
Muzzle Device:
The barrel is threaded 5/8x24 and fitted with an A2 flash hider.
Headspace:
Each 7.62x39 AR-15 upper is individually checked for proper headspace using Manson GO and NO-GO gauges before leaving Ballistic Barn.
Ready to Install:
The upper arrives fully assembled and is designed for use with compatible standard-dimension AR-15 lower receivers.
IMPORTANT AMMUNITION NOTICE
Steel case ammunition is generally acceptable for use in this upper. However, do not use lacquer-coated ammunition. The lacquer coating can heat up and accumulate in the chamber, which may contribute to extraction problems or stuck cartridge cases.
Important: This upper receiver assembly is not a firearm and can be shipped directly to you. No FFL is required.
Ballistic Barn AR-15 uppers are American made and assembled using quality AR-platform components. Each upper is individually inspected and headspace checked before shipment to help provide proper fit and dependable operation.
