MIL-R-63997B (NOTICE 1), MILITARY SPECIFICATION: RIFLE, 5.56MM: M16A2 (20 FEB 1997) [S/S BY MIL-DTL-63997C]

MIL-R-63997B (NOTICE 1), MILITARY SPECIFICATION: RIFLE, 5.56MM: M16A2 (20 FEB 1997) [S/S BY MIL-DTL-63997C]., This notice should be filed in front of MIL-R-63997B(AR) dated 12 December 1986 MIL-R-63997B(AR) dated 12 December 1986 with Amendment 4, dated 31 July 1993 is inactive for new design and no longer used except for replacement purposes.