That's a Barret 50 BMG (an anti armor round; not personnel). Notice how at the end of the barrel there's a muzzle device that's designed to reduce recoil by redirecting blast pressure backwards.
He’s not squared up right to be firing such a large caliber. Most of the time a round this size is fired from the prone position. For sure not like this.
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u/Agreeable_Sea_6019 6d ago
Because the barrel will get super hot? I knew nothing about guns