Machined from 6061 T6 aluminum and incorporating the 1913 picatinny rail, the DoubleStar 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 3 set screws.
Technical InformationDimensions: Length 2.88", Height 2.5"
.625" = Lightweight Barrels
.750" = Standard Barrels
.936" = Bull Barrels
The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.