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To: rich evans who wrote (146768)11/12/2005 5:09:32 PM
From: Ish  Respond to of 793964
 
<<How can you go in combat with a .22 caliber ammunition. This doesn't make sense to me.>>

These aren't rim fire squirrel guns. What we think of as .22 caliber is a rifle that shoots a 40 grain lead round at 1200 feet per second. The 5.56 military round that is modeled after the .223 Remington shoots a round that is a 50 grain full metal jacket bullet at 3000 fps+. The higher velocity makes for a much flatter trajectory.

As I recall, kinetic energy, that's what blows flesh apart, follows the equation of ke= mass in grains X velocity squared.