How big is a Barrett 50 cal bullet? - Quora

Does the U.S. Military currently use the Barrett XM500? - Quora

How the legendary .50-cal. actually kills you

What is the smallest caliber of firearm? - Quora

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What's it like to fire a .50 caliber sniper rifle? - Quora, snipers .50

How big is a Barrett 50 cal bullet? - Quora

Can a .50 cal sniper rifle rip a body apart with a single bullet? - Quora

Why would a soldier use a .50 cal sniper rifle instead of a 7.62 sniper rifle and vice versa? - Quora, snipers .50

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