Doc10mm Posted August 24, 2015 Share Posted August 24, 2015 I have a W.B. Custom open gun in 38 super. This is my backup gun but if I could get it running well it would be my primary gun. About one out of thirty rounds does not go bang. Inspection of the primer show some with light strike, some with off center firing pin strikes, and one with no visible strike at all. When I fired them again, they all went bang. I've been using cheap armscor for practice but I don't want to necessarily blame the ammo. Obviously my first task will be to detail strip and clean Does this sound like a firing pin or firing pin spring problem? Link to comment Share on other sites More sharing options...
Guy Neill Posted August 24, 2015 Share Posted August 24, 2015 You might try a bit heavier recoil spring. I just spoke to someone recently that said they were having similar problems and solved it with a heavier recoil spring. It seems the gun was slightly short of going into battery. Far enough to allow the disconnector to connect and allow dropping the hammer, but the hammer was hitting the bottom edge of the slide (firing pin stop) and losing energy. It completed closing the slide, but lacked enough to adequately strike the firing pin. Guy Link to comment Share on other sites More sharing options...
Ultimo-Hombre Posted August 24, 2015 Share Posted August 24, 2015 An extended firing pin may be a simple solution. Link to comment Share on other sites More sharing options...
sandrooney Posted August 24, 2015 Share Posted August 24, 2015 Maybe a high primer from tome to time. Link to comment Share on other sites More sharing options...
Sarge Posted August 24, 2015 Share Posted August 24, 2015 Off center hits point to slightly out of battery. Just try upping the recoil spring a pound Link to comment Share on other sites More sharing options...
legacy Posted August 24, 2015 Share Posted August 24, 2015 I was having the same issue. I knew i hadn't changed my mainspring in a long time. Replaced with a 19lb mainspring and i have had zero issues since. Link to comment Share on other sites More sharing options...
Doc10mm Posted August 25, 2015 Author Share Posted August 25, 2015 Thanks for all of the suggestions. I'll try the recoil spring first. I'll let you know how it works. Link to comment Share on other sites More sharing options...
Sarge Posted August 25, 2015 Share Posted August 25, 2015 Thanks for all of the suggestions. I'll try the recoil spring first. I'll let you know how it works. And I'm not insinuating anything at all about your gun maintenance but clean the heck out of it too. There may be a glob of gloop or something somewhere it shouldn't be. That was a hard lesson I learned when going to an open 2011 from a Glock 34. These high performance guns need to be well maintained to run their best. I think I only cleaned my glock once a year! lol Link to comment Share on other sites More sharing options...
Doc10mm Posted August 25, 2015 Author Share Posted August 25, 2015 I completely agree Sarge. I ran an experiment to see how low I could shoot my Glock 19 without cleaning and gave up and cleaned it after 5000 rounds just because. I'll detail strip it and let you know. Link to comment Share on other sites More sharing options...
zzt Posted August 25, 2015 Share Posted August 25, 2015 I ran into the same problem when I tried a Ti firing pin. If I kept the FP channel spotlessly clean, it worked until it got dirty again. I cleaned, then polished the OD, switched back to a steel firing fine and didn't lube it. No problems since. Link to comment Share on other sites More sharing options...
Doc10mm Posted August 26, 2015 Author Share Posted August 26, 2015 So I disassembled and detail cleaned and the firing pin looked ok. Should I lubricate the firing pin/spring? Link to comment Share on other sites More sharing options...
echotango Posted August 26, 2015 Share Posted August 26, 2015 I wouldn't. I run it clean and dry. Link to comment Share on other sites More sharing options...
45 Raven Posted August 26, 2015 Share Posted August 26, 2015 I agree. DO NOT lubricate the FP/spring. As a matter of fact, make sure it is clean and dry. Link to comment Share on other sites More sharing options...
Doc10mm Posted August 29, 2015 Author Share Posted August 29, 2015 Thanks guys. Naturally I could wait 10 seconds for a reply and put slide glide on it. I'll take it apart and clean it up. Should I polish the firing pin? Link to comment Share on other sites More sharing options...
Steve RA Posted August 29, 2015 Share Posted August 29, 2015 Try a one pound heavier recoil spring. Link to comment Share on other sites More sharing options...
my00wrx1 Posted September 5, 2015 Share Posted September 5, 2015 High primers or rounds which won't chamber properly can cause this. I run all my match rounds through a chamber checker. Rounds which won't chamber I mark and put aside for either practice or pulling and discarding the case depending on the severity. Link to comment Share on other sites More sharing options...
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