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 5-2 AUTHORIZED MUNITIONS — CONTINUED 5-2.3 Authorized Propelling Charges — Continued h. M203A1 Propelling Charge Use M203A1 propelling charge in M109A5 howitzers as they are equipped with M284 cannon assemblies. The M203A1 propelling charge (10), like the M203 propelling charge (9), is a charge 8 propelling charge developed for extended range in 155MM howitzer M109A5 M284 cannon assemblies. The M203A1 propelling charge consists of one increment of stick propellant and a base igniter pad encased in a full length rigid combustible cartridge case. The M203A1 propelling charge also contains a wear reducing additive and a lead foil decoppering agent. The M203A1 propelling charge 8 is ballistically equivalent to the M203 red bag propelling charge 8. 5-40