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kevineduguay1 said:
thatguy96,
The bullet is different but the case is the same.
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That the projectile is different and fired out of a different gun have serious affects on the rounds muzzle velocity and other ballistic characteristics, and as a result has a serious effect on the penetration capability of the projectile. That's like saying 5.56x45mm M193 fired from an M16A1 rifle has the exact same properties as 5.56x45mm M855 fired from an M4 carbine.
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kevineduguay1 said:The USAF does not use the MK268 round, this is true. The USAF uses a DU round while the Navy doesn't. The Navy felt that they did not need the extra pen power of DU to take out the targets they expected to encounter in their battle environment.
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Firstly, DU is not some super metal. Tungsten and titanium have equally good qualities, if not better qualities, than DU. DU was adopted because of its incendiary properties, and because its a byproduct of other nuclear production, making it both cheap and available. It was not picked because it was the most dense material available.
Secondly, the Mk 268 Mod 0's penetrator is likely made of tungsten. Where are you getting this assertion that the Navy doesn't expect to encounter vehicles and ships on the battlefield that would need additional penetration? Especially seeing as one of the Mk 44's prime applications will be as the main gun on the EFV.