CMC Triggers aftermarket trigger design for the Glock Pistol. Utilizing CMC's Patented "Signature Flat" trigger design, we've downsized the overall geometry to create an excellent fit in the Glock pistol. All the superior traits from the AR platform are replicated here in this aftermarket trigger for Glock design. FEATURES: Clean take up Ergonomic design Positive trigger reset Totally self-contained, one-piece assembly Made from 6061 T6 aluminum Housing Not Included