DoubleStar's Picatinny Rail Gas Block is made from aircraft aluminum hard coat anodized black and utilizes four set screws inserted at a 45% angle for maximum lock-up. Must use 5/64 x 1/2 gas tube roll pin.
Determined at checkout.
We ship our products nationwide and some products will NOT be legal in every state.
Every order is reviewed to be compliant with all federal, state and local laws.
Orders can be subject to cancellation and service fees if found to be against the law.