The Ghost Bullet Slide Release (BSR) is designed for aggressive manipulations (read gross motor execution) for positive slide releases and slide stopping power under the most adverse conditions. Larger is better and faster! Larger gives you a definite advantage! Large enough for fast controlled executions but streamlined to be unobtrusive. These features enable you to dominate your Glock! This part is made with the finest stainless steel. FeaturesOnly Compatible with Gen 1-4Larger is fasterLarger increases operator performanceBullet proof designDrop-inNo pistol modificationsDISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.