GC_UPC SureFire SF Ryder 22-S .22 Cal Suppressor 1/2x28 Threaded SF-RYDER-22-S MAP SF-RYDER-22-S show more like this Free Shipping over $250 Eurooptic GC_UPC SureFire SF Ryder 22-S .22 Cal Suppressor 1/2x28 Threaded SF-RYDER-22-S MAP SF-RYDER-22-S show more like this Shipping fee from $13.95 Scopelist