So it looks like KAK has 9x39 barrels and uppers for sale.
I'm sure if anyone has questions on the 9x39 or why that's exciting @meketrefe can clear it up.
Russians seem to have made a better .300blk
I'm sure if anyone has questions on the 9x39 or why that's exciting @meketrefe can clear it up.
Russians seem to have made a better .300blk