I been shooting my mates std mk2 and even though the action is smooth, its clunky , an when shot quite noisy, suppose that's because you can't hear the muzzle. He's recently got the pegg silencer its about 9" an the quietestiv heard so far, intact I don't think u could get any quieter. But il stand to be corrected as I ain't heard a nutshot (before anyone kicks off lol) I tried the peg on my huntsman twice, once it sounded loud, the second time itwas silent so I don't know what was going on. Their a lot cheaper New than daystates, that's another plus. And there's only one bloke who will touch