ACCU-TAC PICATINNY RAIL MOUNT The Accu-Tac Picatinny Rail Mount is designed specifically for its bipod line. It is CNC machined, and coated with mil-spec hard anodize. Each rail also includes the necessary hardware for installation. MATERIAL 6061 Aluminum Alloy - Stainless Steel Hardware DIMENSIONS 2.5a ^2 Oal Length - 48mm Span on Mount Bolts COLOR FLAT BLACK COATING Type III (MIL-SPEC) Hard Anodize PICATANNY RAIL Nato Stanag 4694 SPE Recommended Mounting Specifications: USE THE TWO 10-32 X 1.25a ^2 BOLTS TO MOUNT TO ANY STOCK THAT HAS A 48MM BOLT SPAN SUCH AS SOME REM 700 STOCKS, OR YOU CAN USE THE TWO WOOD/M Mfg: Accu-Tac