Heckler and Koch 51000951: The VP9 match optics ready kit quickly and easily converts a standard VP9 or VP9-B to a competition ready match optics ready model. No additional parts or tools are needed for assembly. Just swap out the whole slide assembly and go shoot. - VP9 Match Optics ready slide kit arrives complete & includes: - Slide assembly with rear serrations charging supports and lightening cuts. - O-ring enhanced barrel optimized and fit for accuracy - Complete small parts and fire control including back plate striker assembly and drop safety - Suppressor height sights. Black serrated rear and high contrast front sight. - The Suppressor Height sights are specific for lower 1/3 co-witness with a mounted RMR. Other sights may vary. - Complete recoil assembly - Extra O-rings - Cover plate for optics cut