Vickers Tactical presents the optimal slide stop for GLOCK. Extensive prototyping and testing have shaped a design that ensures positive slide lock and release, even when wearing gloves. Precision stamped and formed from 4130 chrome moly steel with a durable hard coat finish for long-lasting performance. Compatible with GLOCK models G17, 17L, 18, 19, 20, 21, 21sf, 22, 23, 24, 26, 27, 29, 30, 31, 32, 34, 35, and 41.