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 MIL-HDBK-1027/3B
Change 1, 30 June 1995
Table 5
Ballistic Material Thickness
Caliber
Material
7.62 mm
.50
5.56 mm
.45/9 mm
130 mm
160 mm
300 mm
Concrete (5000 psi)
100 mm
600 mm
300 mm
300 mm
Grout-filled CMU's
200 mm
760 mm
350 mm
500 mm
Broken Stone
350 mm
1200 mm
600 mm
900 mm
Sand
600 mm
2540 mm
1100 mm
1100 mm
1650 mm
Clay
1300 mm
1700 mm
900 mm
Earth
900 mm
1400 mm
700 mm
1000 mm
Oak Logs
700 mm
none
10 mm
10 mm
6.5 mm
AR-500 (BHN) Steel Plate
none
1.5 dia
1.5 dia
1.5 dia
Auto Tires/Earth Filled
31
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