Aspect mounted system by having an built-in MILSTD 1913 rail piece for sighting methods. Created for use Together with the M203. This is named provider tilt. The ALP allows the operating rod to wiggle to appropriate for the downward tension to the bolt and transfers the force straight backwards in https://kacrasm452840.bligblogging.com/30070721/not-known-details-about-ras-m4