charliecloud Posted April 30, 2016 Report Share Posted April 30, 2016 I have a fully upgraded TM Hi capa It's a AirsoftMasterpiece 22LR frame and slide kit and the upper is fitted with UAC LWBBU and Nozzle with 120% return spring. Recoil and hammer springs are AIP 120% Nine ball bucking and gas routers in mags. Using power up gas What happens with or without ammo is I get a weak shot about every 5 shots and the hammer only returns to half cock. If I pull the trigger at the half cock position I always get a full power shot! The nozzle is a good fit in the LWBBU and the seals are all good. The nozzle does not stick in the bucking. Any thoughts on how to cure this problem? Link to post Share on other sites
renegadecow Posted April 30, 2016 Report Share Posted April 30, 2016 Valve knocker lock still intact? And at what point in your upgrading did it start doing this? Link to post Share on other sites
charliecloud Posted May 1, 2016 Author Report Share Posted May 1, 2016 Valve knocker still intact. Built from scratch,so has been like it from day dot. This is not my first build,so it's not something I have experienced before. All in all it's a bit perplexing Link to post Share on other sites
charliecloud Posted May 7, 2016 Author Report Share Posted May 7, 2016 Sorted! Link to post Share on other sites
icolater Posted May 7, 2016 Report Share Posted May 7, 2016 What was the problem. Weak hammer spring ? Link to post Share on other sites
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