Radical Firearms RF-15 .300 AAC Blackout 16″ Rifle B5 Stock 30+1 – 30 Rounds, 16″ Barrel, 6-Position Stock, Synthetic, Blue/Black

Barrel Length: 16″

Barrel Material: 4140 Chrome-Moly Vanadium Steel

Barrel Finish: Melonite

Barrel Profile: HBAR Contour

Barrel Thread Pitch: 5/8×24

Chamber: 300BLK

Twist Rate: 1:8

Barrel Extension: M4 Feed Ramps

Gas System: Pistol Length

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: MIL-STD

Dust Cover: MIL-STD

Handguard Type: Free Float

Handguard Style: M-Lok Thin Rail

Handguard Length: 15″

Charging Handle: MIL-STD

Lower Receiver: Forged 7075 T6

Lower Receiver Finish: Type III Anodizing

Fire Control Group: MIL-STD

Buffer Tube: Carbine MIL-STD

Stock Adjustment: 6 Postion

Stock: B5 BRAVO

Magazine: 5.56 30 Round