THANK's TIM I'm going to pull it apart in a day ortwo & mic seal to see if it's a apex for me or the tesla,I wish j.m had tesla seal in both size(sound's to be aslightly better seal)& yes I believe BOB is a fine man & true to his word, I sent the man cash with out even giveing it a second thought,I hope he does'nt even claim it on tax's, but he most likely will , I wish I would of stuck a few extra buck's in to get him a couple of beer's just for his good answer to my plight on gun & for this fine forum they run!!! hey tim one more guestion did you use any shim's on your spring from j.m, not really worried about power or anything just wondering,I've heard of washer's ?