Picatinny Rails On Every Side
Machined, aircraft-grade, aluminum, gas block with picatinny rails attaches easily and lets you mount accessories to three sides. Grit blasted for a durable matte finish and hard-coat anodized as per mil spec 8625.
AR-15, Issue:11, Page:017
Big Book Catalog, Issue:68, Page:017
SPECS: Aircraft-grade aluminum. Black, matte, anodized finish.
Fits barrels with .750" (19mm) diameter.