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View Full Version : thumb adjuster help!



iisp0tii
02-12-2002, 03:41 PM
every time i shoot my mag the little screws start to come out. therefore the velocity screw extracts its self about 20 feet every time i pull the trigger. what will halp me w/ this, should i get a tourney lock, stock nut, or what. any help is well appreciated.

iisp0tii
02-12-2002, 03:42 PM
as in feet i mean feet per second.

paintbattler
02-12-2002, 04:07 PM
i have the same problem. but sometimes i get a small allne wrench and screw the screws that hold it in all the way as tight as i can. that usually works for me.

MikeCouves
02-12-2002, 07:10 PM
Hmm are you using an aftermarket thumb adjuster? It could have been made a little off the right specifications. I would do what paintbattler does and screw the screws in all the way until it doesn't move. Don't do it too tight though it will make little rings where the allen screws dug into the back of your valve!

iisp0tii
02-12-2002, 08:07 PM
i screw in the screws as tight as they can be & after about 50 shots it loosens up the screws & starts to unscrew. im thinkin its the weight because the stock lug screw doesnt move. i might drill it to make it lighter if i dont sell it first. or i will drill & tap it & have 10 set screws in it... i dont think it would move then!

a_malfunction
02-12-2002, 10:38 PM
I would just put the stock nut back in....

SoupRman
02-12-2002, 11:25 PM
stock nut and tourney lock should do the trick.