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 5-25 Table 5-1. 155MM AMMUNITION FOR M109 HOWITZERS - CONTINUED Authorized Projectiles Classification Identification Fuzes Remarks M823, Training (Copperhead) WARNING The M823 projectile must not be fired. Such firing can be a hazard to personnel forward of the weapon. NOTE • The M823 projectile simulates the M712 projectile in weight, center of gravity, and external appearance. It contains code and time switches which are set to simulate prefiring activity by the crew. It is shipped and stored in the same type container as the M712. • For additional details on use of the M823 projectile, see section III. Training Bronze with black markings For training crew to handle and set M712 projectile