And I'd think it would be cool to build something like that, but in 5.45. But I don't think it is feasible, I'm assuming that you would need a 5.45 barrel from a RPK, and that's very hard to find... But the rest of the gun parts, should not be that hard to find.
drank some ginger tea. Reading about pepsins. Blowing fat wads of cash on crooked bent inferior Romanian steel, all while sitting on a Tonga stool that was hand carved by the indigenous peoples of Zimbabwe.