Anderson’s 5.56 BR Complete Upper Low profile gas block

Features:

• COUNTRY OF MANUFACTURE: United States
• FEDERAL FIREARM LICENSE REQUIRED FOR PURCHASE: No
• UPPER RECEIVER MATERIAL: Forged 7075 T6 Aluminum
• RECEIVER FINISH: Type 3 Hard Anodized Black
• RF-85 TREATED: Non-treated
• BOLT CARRIER FINISH: Nitride
• BOLT CARRIER MATERIAL: 8620 Steel
• BOLT FINISH: Nitride
• BOLT MATERIAL: 9310 Steel
• BARREL MATERIAL: 4150 Chrome Moly Vanadium
• BARREL LENGTH: 16 inch
• BARREL FINISH: Nitride
• BARREL CONTOUR: M4 Contour
• TWIST RATE: 1:8
• GAS SYSTEM LENGTH: Carbine Length
• GAS SYSTEM TYPE: Low Profile
• GAS BLOCK DIAMETER: .750 inch
• CHARGING HANDLE: Standard Charging Handle
• BOLT CARRIER GROUP: Standard M16 Profile
• HANDGUARD: A2 Plastic Hand Guard
• THREAD PATTERN: 1/2 – 28
• MUZZLE DEVICE: A2 Flash Hider
• WEIGHT: 0.000000
• COMPATIBILITY: Standard Multi-cal Lower Receivers