2003 US Army BRADLEY GUNNERY 503p.pdf - Survival Books

FM 3-22.12-7. M242 25-MM AUTOMATIC GUN (STANDARD)The five basic rounds used with the 25-mm gun include the M791, M792, M793, M910,and M919. Table 2-2 compares the five types of 25-mm ammunition.ROUNDM791APDS-TM792HEI-TM793 TP-TM910TPDS-TM919APFSDS-TMuzzle velocity(meters persecond):1,345 MPS 1,100 MPS 1,100 MPS 1,525 MPS 1,385 MPSTime of flight(seconds):1,000 meters 0.8 sec 1.2 sec 1.2 sec 0.7 sec 0.8 sec1,500 meters 1.2 sec 2.2 sec 2.2 sec 1.2 sec 1.2 sec2,000 meters 1.7 sec 3.6 sec 3.5 sec 1.8 sec 1.6 sec2,500 meters 2.2 sec 5.3 sec 5.2 sec 2.5 sec 2.1 secCartridge weight(grams):Projectile weight(grams):Tracer burn time(seconds):458 gm 501 gm 501 gm 420 gm 454 gm134 gm 185 gm 182 gm 95 gm 96 gm> 1.7 sec > 3.5 sec > 3.5 sec > 1.8 sec > 1.8 secBursting radius,arming distance:NA5 M10 to 200 MNA NA NAMax effectiverange (meters):Tracer burnrange (meters):2,000 M 3,000 M 1,600 M 2,000 M 2,500 M> 2,000 M > 2,000 M > 2,000 M > 2,000 M 2,500 M">" means "more than."Also, the M793 TP-T round loses its effectiveness after 1,600 meters.Table 2-2. Comparison of ammunition for 25-mm gun.a. M791 Armor-Piercing Discarding Sabot with Tracer. The APDS-T(Figure 2-8, page 2-14) penetrates lightly armored vehicles, self-propelled artillery, andaerial targets such as helicopters and slow-moving, fixed-wing aircraft.2-13