MIL-PRF-71229A, PERFORMANCE SPECIFICATION: MOUNT, GUN, 120MM (23 OCT 1997) [SUPERSEDES MIL-M-71229]

MIL-PRF-71229A, PERFORMANCE SPECIFICATION: MOUNT, GUN, 120MM (23 OCT 1997) [SUPERSEDES MIL-M-71229]., This gun mount is used with the 120MM Gun Cannon, M256, and in the Abrams Series Tanks.