MIL-M-63221A (AMENDMENT-1), MILITARY SPECIFICATION: MORTAR, 60MM: M224 (WITHOUT M64 SIGHT UNIT) (28-SEP-1998)
MIL-M-63221A (AMENDMENT-1), MILITARY SPECIFICATION: MORTAR, 60MM: M224 (WITHOUT M64 SIGHT UNIT) (28-SEP-1998)., Inactive for new design after 29 November 1995 This amendment forms a part of MIL-M-63221A(AR) , dated 22 July 1992 , and is approved for
use by the Department of the Army and is available for use by all Departments and Agencies of
the Department of Defense.