TM 31-210
Improvised Munitions Handbook
| Section VII |
No. 14 |
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ARMOR MATERIALS |
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| This following table shows the amount of indigenous materials needed to stop ball type projections of the 5.56 mm, .30 caliber, and .50 caliber ammunition fired from their respective weapons at a distance of 10 feet (3 m). | |
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| NOTE: After many projectiles are fired into the armor, the armor will break down. Mare material must be added. |
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