Barrel:16″ 5.56 Nato Melonite Barrel Chrome Moly Twist Rate: 1/8 Feed Ramps: M4 Gas Block: Steel .750 Low Profile Gas Tube: DGI Stainless Carbine-Length Muzzle Device: A2 Rail: either 15″ CBC M-Lok free float rail system Upper Receiver: Forged Upper Receiver Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector
- Barrel:16″ 5.56 Nato Melonite Barrel Chrome Moly
- Twist Rate: 1/8
- Feed Ramps: M4
- Gas Block: Steel .750 Low Profile
- Gas Tube: DGI Stainless Carbine-Length
- Muzzle Device: A2
- Rail: either 15″ CBC M-Lok free float rail system
- Upper Receiver: Forged Upper Receiver
- Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector
UPPER COMES ASSEMBLED
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160-734 Aar-15 Upper Reciever 16" barrel
Great upper for the price! The guard rail is exactly what I wanted. Only reasons I am giving a 4 rating is the dust cover looks beat up and there are a 4 chips in the coating at different locations all around the gun. Have not tested its performance yet but looks great and would recommend to friends.