MIL-DTL-46063H
APPENDIX A
TABLE A-V.
Minimum required ballistic limits - caliber .50
AP M2 projectiles at 0° obliquity.
Required
Required
Required
Thickness,
BL(P),
Thickness,
BL(P),
Thickness,
BL(P),
in.
fps
in.
fps
in.
fps
1.500
1955
1.695
2118
1.895
2274
* 1.501
1956
1.700
2122
1.900
2278
1.505
1959
1.705
2126
1.905
2281
1.510
1964
1.710
2130
1.910
2285
1.515
1968
1.715
2134
1.915
2289
1.520
1972
1.720
2138
1.920
2293
1.525
1976
1.725
2142
1.925
2296
1.530
1981
1.730
2146
1.930
2300
1.535
1985
1.735
2150
1.935
2304
1.540
1989
1.740
2154
1.940
2307
1.545
1994
1.745
2158
1.945
2311
1.550
1998
1.750
2162
1.950
2315
1.555
2002
1.755
2166
1.955
2319
1.560
2006
1.760
2170
1.960
2322
1.565
2011
1.765
2174
1.965
2326
1.570
2015
1.770
2178
1.970
2330
1.575
2019
1.775
2182
1.975
2333
1.580
2023
1.780
2186
1.980
2337
1.585
2028
1.785
2190
1.985
2341
1.590
2032
1.790
2193
1.990
2344
1.595
2036
1.795
2197
1.995
2348
1.600
2040
1.800
2201
2.000
2352
1.605
2044
1.805
2205
2.005
2355
1.610
2049
1.810
2209
2.010
2359
1.615
2053
1.815
2213
2.015
2363
1.620
2057
1.820
2217
2.020
2366
1.625
2061
1.825
2221
2.025
2370
1.630
2065
1.830
2224
2.030
2373
1.635
2069
1.835
2228
2.035
2377
1.640
2073
1.840
2232
2.040
2381
1.645
2077
1.845
2236
2.045
2384
1.650
2082
1.850
2240
2.050
2388
1.655
2086
1.855
2244
2.055
2391
1.660
2090
1.860
2247
2.060
2395
1.665
2094
1.865
2251
2.065
2398
1.670
2098
1.870
2255
2.070
2402
1.675
2102
1.875
2259
2.075
2406
1.680
2106
1.880
2263
2.080
2409
1.685
2110
1.885
2266
2.085
2413
1.690
2114
1.890
2270
2.090
2416
18
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