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Oops, rereading this I spot an error. The reason that the Swedish army went from a lead core in its service ammunition to a steel core obviously had nothing to do with penetration, as no matter what the core is made of the bullet is still full metal jacket and hence has high penetration. The reason rather was a way to save money on the cleaning up of shooting ranges, as the environmental rules for letting steel lie around are far more lenient than those for lead.

Peak oil is not an energy crisis. It is a liquid fuel crisis.
by Starvid on Fri Apr 1st, 2011 at 09:04:30 AM EST
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I'd have thought that U cores on rifle bullets would have avoided the point. in the last couple of decades military ammunition has become smaller and lighter. partly because fighting has increasingly become urban, and so fighting ranges have dropped, partly to enable soldiers to  carry more ammunition, and partly on the callous calculus that if you only injure an opponent, you will in effect take three men out of the battle, one who's injured and two to carry them to the aid station.

A U core would both weigh more, and require more propellant to push the mass up to a velocity,  which would both reduce the amount of ammunition that can be carried, and increase the wear and maintenance needs of the weapon.

Any idiot can face a crisis - it's day to day living that wears you out.

by ceebs (ceebs (at) eurotrib (dot) com) on Fri Apr 1st, 2011 at 10:30:06 AM EST
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I agree on the use of small caliber because it makes you able to carry more ammunition. Urban combat however works in the opposite direction. In urban combat you want 7,62 battle rifles instead of 5,56 assault rifles, as the former is much better at shooting through walls. Our specialised urban combat batallions (if they haven't been cut yet) still use our old 7,62 battle rifle instead of the more modern 5,56 assault rifle.

Uranium cores for infantry weapons are quite rare (except when used by cops and robbers), but heavy metal ammunition is not. AP-ammunition has been manufactured for machineguns carried by the infantry, and then tungsten is usually used, IIRC.

Peak oil is not an energy crisis. It is a liquid fuel crisis.

by Starvid on Sat Apr 2nd, 2011 at 10:00:01 AM EST
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