| LOL@Shotgun....
As to the Life span of a rifled weapon, that is true.....Did not consider that up to now...That would explain the move to smooth bore guns as the ammo is getting more and more powerfull, causing more tear and wear on the barrel. But, you should think about this: The UK came up with the Centurion, and after coupeling it with the L7 Rifled 105, had what was arguably the best tank in the world at that time. Than they came up wih the Chieftain, and again with a 120mm gun had what was(with all its little problems) argaubly the best tank in world. So, why souldent they go with the rifled...It was the natural thing to do.....All that into consideration, the brits again can claim that they have the best tank in world....Even if the Germans, Americans and Israelis will get mad.
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