Higher Velocity bullets in a 300Blk

Greetings all.

I’ve been curious about the bullets folks are using in their 300Blk. I know it’s a lower velocity round, kind of comparable to the 30-30 and x39, so I was wondering how it handles the 150 + grain bullets in the supersonic realm. This is purely out of curiosity since I don’t own one, nor do I plan to.

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Higher Velocity bullets in a 300Blk