Adjustable Diameter openings (comes with set of short screws and long screws with allen wrench); measuring about 2 inches long and weighing 6.3 ounces this mount is precision machined from higly durable aircraft aluminum alloy; with a matte black finish.

Triple 21mm Picatinny / Weaver rails with 5 slots for larger attachments that
Fits AK / SKS or other similar size barrels, and allows attachment of laser, flashlight, grip or bipod.   LIFETIME WARRANTY