The Lapco 3/8 inch to 7/8 inch Rail Adapter for Sight Mount.
This adapter allows both small and big rail accessories to be used on the LAPCO offset sight mount. This part works on the A-5, Tippmann 98, and Spyder offset sight mount. Offset sight mount not included. converts .22 or 3/8 Dovetail to weaver/Picatinny