stoat Posted August 7, 2014 Report Share Posted August 7, 2014 (edited) Hi lads, im new on here, but im having bother with my moderator coming loose after only a couple of rounds. Its a browning a bolt in 243 and its a viper mod !! Is there anything i can do to stop it from happening ? Thanks Edited August 8, 2014 by stoat Quote Link to comment Share on other sites More sharing options...
fruity Posted August 7, 2014 Report Share Posted August 7, 2014 A cheap quick fix you can use a bit of PTFE tape but not ideal Alternatively get a fibre washer or an o ring what fits nicely behind the mod that will sort it Quote Link to comment Share on other sites More sharing options...
stoat Posted August 8, 2014 Author Report Share Posted August 8, 2014 thanks mate,i think ill try the fibre washer!! Quote Link to comment Share on other sites More sharing options...
Bewsher500 Posted August 8, 2014 Report Share Posted August 8, 2014 bad idea moderators are meant to square themselves up on the shoulder of the rebated section on the barrel this is done to within very fine tolerances stick a bit of fibre in there and the squaring action is gone and the pressure will be on the threaded section tight bore tolerance and a non square fitting will see you having a bullet/baffle strike at worst and a non central bullet to bore alignment and poor accuracy potential at best (you want a uniform gas escape at the crown and mod muzzle) its coming loose because the threads don't match tight enough tolerance PTFE is your best bet short term long term get a DECENT gunsmith to check the threads on the mod and recut one or both of them Quote Link to comment Share on other sites More sharing options...
fruity Posted August 8, 2014 Report Share Posted August 8, 2014 I'm talking of a very thin fibre washer bewsher500 not a big thick plumbing thing but just enough for the mod to bite against, as I agree with you regarding tolerences etc I have seen this done on a couple of high powered rifles and they operate fine once checked before a live round is used Quote Link to comment Share on other sites More sharing options...
dogz25 Posted August 8, 2014 Report Share Posted August 8, 2014 (edited) Hi I have a browning a bolt in .308 with a viper Evo 8 mod which i have just sent back to gun shop as it is clipping the mod internals. So guessing these mods are not so good Edited August 8, 2014 by dogz25 Quote Link to comment Share on other sites More sharing options...
stoat Posted August 8, 2014 Author Report Share Posted August 8, 2014 Ive been out with the gun this morning and the mod totally collapsed on me !! As i tightened it up again, i felt it give and it went slack.. it turns out the thredded piece has sheared off , and the mod is stuck on the gun !!!!! I think it has been defective since i got it, and it explains an awful lot of wasted bullets.. ive taken it back to the place i bought it and he has promised to sort it. So fingers crossed!!!! Quote Link to comment Share on other sites More sharing options...
dogz25 Posted August 8, 2014 Report Share Posted August 8, 2014 Where are you. And how long you had mod. Sent my mod and gun back to shop and they are sorting it for me. Cheers Quote Link to comment Share on other sites More sharing options...
stoat Posted August 8, 2014 Author Report Share Posted August 8, 2014 (edited) Ive had em since march,but ive not been very happy with the grouping since i got it!! Ive been trying different brands and weights of bullets but the last few days have been frustrating!then it broke, so back it went to swillington , which i can say have breen very good about it to say its a second hand gun!!!! Edited August 8, 2014 by stoat Quote Link to comment Share on other sites More sharing options...
Bewsher500 Posted August 8, 2014 Report Share Posted August 8, 2014 get it cut off and get a decent one lots out there and many can be had 2nd hand no need to bodge anything as critical IMO Quote Link to comment Share on other sites More sharing options...
stoat Posted August 8, 2014 Author Report Share Posted August 8, 2014 Its in the hands of the gunsmiths now, so it should be right when it comes back Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.