Hmmm 20 rounds through a supressor. I think I would find that after 10 rounds that the POI would start to drop as the barrel stared melting and was weighted down by a huge can
No F-class for this one. I dont think they would appreciate what the 300SMK would do to the berm either
I cut a few threads a while ago. WOW it isnt that hard after you have watched someone do it 40 or 50 times and have a threading dial...something my old lathe lacked.