Figure 9. Impact berm for 40-mm grenade test. In November 1998, 1800 rounds
were fired into this berm on the Lampkin Range.
Table 10. Components of 40-mm grenades (CTG 40-mm HE M384, DODIC
B470).
CTG CASE ASSY
Case aluminum alloy (aluminum
40-mm M169
[80%], copper [0.95%], manganese
[0.85%], chromium [0.4%]
3.05 oz
Filler
Comp A5: RDX (998.5%) and stearic acid
(1.5%)
55 g
Primer perc #K90
Aluminum powder (5%), antimony
sulfide (16%), barium nitrate (30%),
lead styphnate (40%), tetracene (5%),
Propellant charge M2
barium nitrate (1.4%), ethyl centralite
(0.6%), graphite (0.6%), nitrocellulose
(77.21%), nitroglycerin (19.44%),
potassium nitrate (0.75%)
4.64 g
Primer
M55 perc
Fuse
Primer mix NOL #130*9
Antimony sulfide (15%), barium nitrate
(20%), lead azide (20%), lead
styphnate (40%), tetracene (5%)
0.23 g
lead azide
0.79 gr*
RDX
0.29 gr
Lead cup assy
Comp A5: RDX (98.5%) and stearic acid
(1.5%)
2 gr
*gr = grain = 65 mg
17
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