Black Rain Ordnance 458 SOCOM Complete Upper – 16″ 4150 Chromoly Barrel, 15″ MLOK Rail, Nitride BCG, Black (BRO-SPEC15-CU-458S)

• Complete upper receiver assembly designed for 458 SOCOM rifle builds
• Features 16 inch 4150 chromoly vanadium steel barrel with 1:14 twist rate
• Includes bolt carrier group and charging handle for functional upper assembly
• Equipped with 15 inch MLOK handguard for accessory mounting capability
• Includes 458 SOCOM muzzle brake for recoil reduction and muzzle control
• Supplied with one metal magazine optimized for 458 SOCOM ammunition

The Black Rain Ordnance 458 SOCOM Complete Upper 16 Inch 1:14 Twist MLOK is a complete upper receiver designed for AR-15 platforms chambered in .458 SOCOM.

This Black Rain Ordnance complete upper includes a 16 inch 4150 chromoly vanadium steel barrel with a 1:14 twist rate and a forged receiver with an expanded ejection port. It features a 15 inch M-LOK handguard, a nitride coated bolt carrier group with .458 bolt, and a billet charging handle with extended tactical latch. The assembly also includes a .458 SOCOM muzzle brake, engraved dust cover, and one metal magazine optimized for .458 SOCOM cartridges. This product is used for converting or building AR-15 rifles in .458 SOCOM for field use. In typical setups, the Black Rain Ordnance 458 SOCOM complete upper provides a fully assembled configuration with integrated barrel, rail system, and operating components.