TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9--2350--311--10 5--40.2 Change 6 5--2 AUTHORIZED MUNITIONS — CONTINUED 5--2.3 Authorized Propelling Charges — Continued j.2. M232A1 Propelling Charge M232A1 propelling charge is comprised of a tan--color, coated, nitrocellulose--based combustible case with black markings. This charge is bi--directional (can be loaded in either direction). Each end has four raised 1/8--inch bumps. The M232A1 is fired in increments of 3 through 5 for charges 3 through 5.