Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16"

Build Specs:

• Rellim Arms Proprietary Receiver/QD Barrel Nut
• Rainier Arms Upper Receiver
• Rainier Arms Urban Combat Rail - 15"
• Rainier Arms AR-15 Precision Match Grade BCG - Nitride
• Rainier Arms Select 5.56 Barrel - 16"
• Rainier Arms Proprietary Avalanche Charging Handle
• Superlative Adjustable Gas Block (Gasblock not pinned)
• A2 Flash Hider
• Weight: 4 lb 5.7 oz