MIL-R-71135 (NOTICE 1), MILITARY SPECIFICATION: RIFLE, 5.56MM: M16A2E3 (27 FEB 1997)
MIL-R-71135 (NOTICE 1), MILITARY SPECIFICATION: RIFLE, 5.56MM: M16A2E3 (27 FEB 1997)., MIL-R-71135(AR) dated 19 June 1992 with Amendment 2, dated 14 September 1994 is inactive
for new design and no longer used except for replacement purposes.