Ord 8 SNL. Higher echelon spart parts and equipment (addendum). A-50. Gun, automatic, 40-mm, M1, gun, dual, automatic, 40-mm, M2, carriage, gun, 40-mm, M2A1 (A. A.), mount, gun, 40-mm, M3 and M5 (airborne), mount, gun, twin, 40-mm, M4, Changes 1; Oct. 22, 1946.

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