Quantcast Table 1 Materiel Specification Options for Baffles and Non-Bulletproof Surface Protection

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MIL-HDBK-1027/3B
Table 1
Materiel Specification Options for Baffles and
Non-Bulletproof Surface Protection (Note 1)
Angle of Impact
42 degrees 30 degrees
Caliber
90 degrees
Notes
Notes
Notes
2-12
2-12
.22 LR Rimfire
2-12
3-12
3-11
.38 Ball or Wadcutter
3-11
3-12
3-11
.45 Ball or Wadcutter
3-11
3-7, 9-11
4-7, 9-11
.357 mag/9mm
4-7, 9-11
4-7, 9-11
4,5,7,9-11
.44 mag
4,5,7,9-11
4-7,9-11
4-7,9-11
5.56 mm Ball
4-7, 9-11
4,5,10,11
4,5,10,11
7.62 mm Ball
4,5,7
4,5,10,11
4,5,10,11
Cal.30 (30-06) Ball
4,5,7
NOTES:
1.
Installed behind and in addition to desired acoustic materiel.
2.  Two layers of 3/4-in. (19 mm) particleboard backed with one layer of
3/8-in. plywood.
3.  Four layers of 3/4-in. (9.5 mm) particleboard backed with one layer of
3/8-in. plywood.
12 in. (0.3 m) corefilled masonry.
4.
8 in. (203 mm) concrete slab.
5.
6.  Sandwich composed of 3/4-in. exterior grade plywood and 9 gauge, low-
alloy ASTM A607 HS, Steel Sheet and Strip High-Strength Low-Alloy Columbium or
Vanadium or Both Hot-Rolled and Cold-Rolled:steel, plywood, steel.
7.  Sandwich composed of 3/4-in. exterior grade plywood and 9 gauge ASTM A
607 HS, low-alloy steel:  steel, plywood, steel, plywood, steel.
10 gauge steel covered with 2 in. nominal of soft wood.
8.
l/4-in. (6.35 mm) steel plate with minimum 3/4-in. wood facing.
9.
10. 3/8-in, steel plate with minimum 3/4-in. wood facing.
11. Steel plate appropriate for caliber from Table 1 with minimum 3/4-in.
wood facing (a costly, conservative design).
12. 12 gauge steel covered with 2 in. (50.8) nominal of soft wood (while
protection is adequate, Note 8 is preferred for ranger where use of .45 cal.
ammunition is expected to be heavy).
7





 


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