Side mounted system with an integrated MILSTD 1913 rail piece for sighting units. Created for use with the M203. This is named carrier tilt. The ALP lets the functioning rod to wiggle to suitable with the downward force within the bolt and transfers the pressure straight backwards in line with https://dominickugqah.fireblogz.com/60819407/top-guidelines-of-m4-ras-handguard