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.
Some US states prohibit perceived advertising or marketing of firearm related products to persons under 18 years of age.
Please verify that you are at least 18 years of age.
