CFU upper 13" barrel 300BLK 12"RPRThe Radical Firearms 16" 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 our 12" 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.
Barrel Length: 13"
Gas System: Pistol Length
Barrel Profile: HBAR Profile
Barrel Material: 4140 Chrome Moly Vanadium
Barrel Finish: Melonite
Muzzle Thread: 5/8x24
Twist Rate: 1:8
Barrel Extension: M4 Feed Ramp
Gas Block Type: .750 Low-profile Gas Block
Muzzle Device: A2 Flash Hider
Upper Receiver Material: Forged 7075 T6
Upper Receiver Style: M4 MIL-STD
Upper Receiver Finish: Type III Anodizing
Forward Assist: Yes
Dust Cover: Yes
Handguard Type: Free Float
Handguard Style: M-Lok Hybrid Rail
Handguard Length: 12"
Charging Handle: MIL-STD
Bolt Carrier Group Included: Yes
BCG Finish: Nitride