Just traded into a .300 Blackout barrel, thinking about low-cost practice bullets. Any issues with using PC bullets in one? Thinking 115 to 135 gr at about 2400 fps.

'Four legs good, two legs baaaad."
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"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)

SotG