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|  MIL-P-46610E(MU)
3.4 Function and casualty.-The primer when assembled Into cartridges
in accordance with Drawings C6137544, C8595432, B6200954, D10523632, C8597555,
C10521998, C7553707, C8597283, C6000503, C7553097, C8594735, C10542379,
C10523O85, B7635291 or C6006152 shall function without casualty.
3.5 Velocity. -The average velocity and the standard deviation of the
velocities-ridges conditioned at 70 2 Fahrenheit (F) shall not
exceed the requirements for the applicable cartridge as shown below:
Max Std Dev
Average Velocity Feet
Per Second (Ft/sec).
of Velocities
Cartridges
32
2740 30 at 78 feet from muzzle
Cal. .30, Ball, M42
28
2640 30 at 78 feet from muzzle
Cal. .30, Match, M72
36
1900 30 at 53 feet from muzzle
Cal, .30, Carbine, Ball,
M1
3250 40 at 15 feet from muzzle .40
5.56mm, Ball, M193
2
160 5 at 5.6 feet from forward
7.62mm, Grenade, M64
end of grenade
28
2550 30 at 78 feet from muzzle
7.62 mm, Match, ZM118
32
2750 30 at 78 feet from muzzle
7.62mm, Ball, M80
27
855 25 at 25.5 feet from muzzle
Cal. .45, Ball, M1911
36
2910 30 at 78 feet from muzzle
Cal. .50, Ball, M33
12
Cal. .50, Spotter-Tracer, 1745 20 at 78 feet from muzzle
M48A1
3.6 Chamber pressure.-The average chamber pressure for the cartridges,
loaded to obtain the average velocities specified in 3.5 and conditioned at
700 2F, shall not exceed the requirement for the applicable cartridges as
shown below:
50,000
psi,
max.
Cal. .30, Match, M72
52,000
psi,
max.
Cal. .30, Ball, M2
40,000
psi,
max.
Cal. .30, Carbine, Ball, M1
52,000
psi,
max.
5.56mm, Ball, M193
50,000
psi,
max.
7.62mm, Ball, M80
50,000
psi,
max.
7.62mm, Match, XM118
19,000
psi,
max.
Cal. .45, Ball, M1911
55,000
psi,
max.
Cal. .50, Ball, M33
38.000
psi,
max.
Cal. .50, Spotter-Tracer, M48A1
3.7 Priming composition.-The ingredients used in the chlorate primer and the
styphnate primer shall be restricted to those listed below:
5
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