Patriot Ordnance Factory P415 Complete Upper Receiver 300 Blackout 10.5" Black Anodized - 01515

This is a complete piston-driven upper receiver assembly chambered in 300 Blackout with a 10.5" barrel featuring black nitride finish and 4150 chrome moly vanadium steel construction. The upper includes a 9" M-LOK handguard with black anodized finish, triple port muzzle brake, and short-stroke piston operation. The receiver is optic-ready with a threaded barrel (5/8x24) and 1-in-8 twist rate, designed for AR-15 platform rifles.