The extractor Depressor Plunger assembly is strategically positioned at the rear of the slide, playing a crucial role in maintaining the optimal tension of the extractor. This assembly ensures reliable and consistent performance by precisely managing the extractor's engagement with the cartridge. Our innovative patented optic cut introduces a compact version of the extractor, seamlessly integrating advanced functionality without compromising on space. This design not only enhances the overall efficiency of the system but also allows for improved compatibility with various optical sights, providing users with a streamlined and versatile shooting experience. Compatible with all MR918 pistol models and current MR, DR and XR pistol models that do not feature an Optic cut 4140 nitride-coated extractor depressor plunger 302 stainless steel extractor depressor spring Polymer spring-loaded bearing Compatible with Glock models 17, 19, 26 and 34