Feature SCRA-RUM1 VAS(TM) RUM Footprint Adapter A Fits SCRA-75 / 76 / 77 Top Plates with 1.5" / 38 mm, 1.93" / 49 mm, and 2.26" / 57 mm Center Heights for Ideal Eye Alignment A Also Fits SCRA-SM7 Side Mount Adapting Piece Providing Flexible and Reliable Mounting Options Across Different Rifle Platforms A Compatible with Ring Caps of XASR-A01, XASR-A02, XASR-A03 X-ACCU Mount Assembly Kit, Ensuring Seamless Modular Integration Specification SCRA-RUM1 VAS(TM) RUM Footprint Adapter Specification Details Height: 8 mm / 0.31 in Length: 54 mm / 2.13 in Material: 6061-T6 Aluminum Alloy Weight: 18 g / 0.63 oz Footprint: RUM Finish: Black Matte Items in the Package: T15 Torx Wrench, M4x9 Screws Compatible Series: Maverick; Scrapper; Paragon Prism Size Footprint Video