RADICAL FIREARMS COMPLETE UPPER 300 BLACKOUT 10.5" BARREL

The Radical Firearms 10.5" HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with the 10" RPR free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered. FEATURES: Length: 10.5" Pistol Length Finish: Melonite Muzzle Thread: 5/8x24 Chamber: 300BLK Twist Rate: 1:8 M4 Feed Ramp Upper Receiver Style: M4 Mil-Std Upper Finish: Type III Anodizing Free Float Handguard M-LOK Thin Rail Handguard Length: 10"