DoubleStar AR-15 Picatinny Rail Gas Block .9375" Barrels Bull
Machined from 6061 T6 aluminum and incorporating a 1913 picatinny rail, DoubleStar's newest low profile gas blocks have a pleasing angular profile and an additional set screw on the top surface to insure a perfect gas seal. The blocks are hard coat anodized and are shipped with enough set screws to complete installation.
