Flame Thrower
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A layman's question.Army already has enough guns. It is just media hype that is creating unnecessary sense of urgency.
A 7.62x51 calibre gun is not supposed to be standard assault rifles. Infantry will lose the aim due to high recoil. There is a reason why Nato uses 5.56. It is better to make a 7.62x39 with aluminium bullet to reduce weight while at the same time increase penetration.
To my knowledge, we use lead core with copper cover as full metal jacket rounds or steel core and tip with copper cover for armor piercing rounds.
Al is neither strong as steel in AP rounds nor as cheap to be used in FMJ rounds...
Does the costly and softer Al is suitable to be used as core!?
Not to mention the lower mass which directly affects momentum and kinetic energy(though initial velocity might remain high, will reduce to normal round due to higher friction at high velocity). How does Al core fare wrt to FMJ and AP rounds.
Any stats to backup info would be great.
Thanks.