Radical Firearms 8.5-inch HBAR 300BLK MIL-STD Upper 7-inch-RPR Features:
The Radical Firearms 8.5″ 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 our 7″ 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.
Radical Firearms 8.5-inch HBAR 300BLK MIL-STD Upper 7-inch-RPR Specifications:
- Barrel Length: 8.5″
- Gas System: Pistol Length
- Barrel Profile: HBAR Profile
- Barrel Material: 4140 Chrome Moly Vanadium
- Barrel Finish: Melonite
- Muzzle Thread: 5/8×24
- Chamber: 300BLK
- 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 Thin Rail
- Handguard Length: 7″
- Charging Handle: Mil-Std
- Bolt Carrier Group Included: Yes
- BCG Finish: Nitride
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