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U.S. EXPLOSIVE ORDNANCE |
PART 1 - PROJECTILES, PROPELLANT, AND PROECTILE FUZES |
Chapter 1 - Projectiles |
Section 11 - 20-mm PROJECTILES |
20-mm A/C Practice M99 (New Series) |
Over-all length, inches |
|
With nose cap |
3.27 |
Without nose cap |
2.30 |
Diameter of base, inches |
0.76 |
Distance base to band, inches |
0.39 |
Width of band, inch |
0.203 |
Diameter at bourrelet, inch |
0.78 |
Filling |
None |
Weight of loaded projectile, pound |
0.29 |
Cartridge Case |
M21A1 |
Primer |
M36A1 |
This round is supersending the Ball Mk 1 round of the Old Series. |
Figure 75 (Part 2). 20-mm Projectiles. |
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