Ammunition

FIN ASSEf

FIN ASSEf

Figure 2-2. 84-millimeter HEAT cartridge.

IMPACT

IGNITION

PENETRATION

SPALLING

Figure 2-3. Effects of M136 AT4 warhead.

IMPACT

IGNITION

PENETRATION

SPALLING

Figure 2-3. Effects of M136 AT4 warhead.

Impact

2-5. The nose cone crushes; the impact sensor activates the fuze. Ignition

2-6. The piezoelectric fuze element activates the electric detonator. The booster detonates, initiating the main charge.

Penetration

2-7. The main charge fires and forces the warhead body liner into a directional gas jet that penetrates armor plate.

After-Armor Effects (Spalling)

2-8. The projectile fragments and incendiary effects produce blinding light and highly destructive results.

Packaging

2-9. Five M136 AT4s, each wrapped in a plastic barrier bag, are packed together in a wooden container. The containers are too heavy to stack more than four deep on the pallets (Figure 2-4).

DOT WARNING SYMBOL (DOT 1.1 E)

Figure 2-4. Ammunition packaging and markings.

DOT WARNING SYMBOL (DOT 1.1 E)

Figure 2-4. Ammunition packaging and markings.

Color-Coding

2-10. M136 AT4 launchers are marked with color-coded bands (Figure 2-5). A black with yellow band indicates an HE antiarmor round (early models had a solid black band). A gold or yellow band indicates a field handling trainer (FHT); no band indicates an M287 9-mm tracer bullet trainer (Appendix B).

Figure 2-5. Location of color-coded band.

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