B_RAD Posted October 18, 2017 Share Posted October 18, 2017 (edited) 1 hour ago, Chili said: You'd think that would be the case. In my case with the CGW Reduced power FP spring it was almost like the spring didn't have enough pressure to put the FP all the way back for a solid strike. The gun had a noticeably different sound when dry firing it with that spring versus the stock spring, I had changed it with the gun brand new and un tested in stock formation. I messaged a few guys I knew overseas who were using lighter main springs to inquire what FP spring they were using and the answer was stock so I switched it back and ran 100% on everything including cheap Russian primers that are usually a problem for many. Are/were you running the cgw extended firing pin with their reduced spring? Just want to make sure that's not the problem. You can't run the CGW spring with the OEM or CZC firing pin. I don't think the profile of the firing pins are the same so the springs aren't interchangeable. Edited October 18, 2017 by B_RAD Link to comment Share on other sites More sharing options...
Chili Posted October 18, 2017 Share Posted October 18, 2017 48 minutes ago, B_RAD said: Are/were you running the cgw extended firing pin with their reduced spring? Just want to make sure that's not the problem. You can't run the CGW spring with the OEM or CZC firing pin. I don't think the profile of the firing pins are the same so the springs aren't interchangeable. I ran it with the CZ Custom extended Firing Pin. Link to comment Share on other sites More sharing options...
MissionaryMike Posted October 18, 2017 Share Posted October 18, 2017 1 hour ago, Chili said: I ran it with the CZ Custom extended Firing Pin. Still, I'm just not understanding how greater opposing spring force increases the likelihood/reliability of primer ignition w/ a decreased hammer spring. That sorta goes against physics. But it is getting pretty late in my neck of the woods. Maybe I need to sleep this one off. Link to comment Share on other sites More sharing options...
MissionaryMike Posted October 18, 2017 Share Posted October 18, 2017 Jason, you still insist on shooting Glocks? Link to comment Share on other sites More sharing options...
Chili Posted October 18, 2017 Share Posted October 18, 2017 38 minutes ago, MissionaryMike said: Still, I'm just not understanding how greater opposing spring force increases the likelihood/reliability of primer ignition w/ a decreased hammer spring. That sorta goes against physics. But it is getting pretty late in my neck of the woods. Maybe I need to sleep this one off. I'm not physics major but basically the way I saw it was the CGW reduced FP spring in my setup did not supply enough force to push the firing pin all the way back through the retaining plate and this resulted in a less than full strike on the pin before the hammer hit the plate. Nothing more than a guess and the fact the sound of the hammer drop was different with the reduced spring in the gun. I never tested the gun with the stock firing pin spring prior to changing it so when I went back to stock it was 100% and obviously I had been trying to get ahead of an issue that did not exist in my case. Link to comment Share on other sites More sharing options...
B_RAD Posted October 18, 2017 Share Posted October 18, 2017 7 hours ago, MissionaryMike said: Jason, you still insist on shooting Glocks? Ha. I may be shooting cz now......? I'm shooting OK ST this weekend with my Accushadow. Link to comment Share on other sites More sharing options...
B_RAD Posted October 18, 2017 Share Posted October 18, 2017 6 hours ago, Chili said: I'm not physics major but basically the way I saw it was the CGW reduced FP spring in my setup did not supply enough force to push the firing pin all the way back through the retaining plate and this resulted in a less than full strike on the pin before the hammer hit the plate. Nothing more than a guess and the fact the sound of the hammer drop was different with the reduced spring in the gun. I never tested the gun with the stock firing pin spring prior to changing it so when I went back to stock it was 100% and obviously I had been trying to get ahead of an issue that did not exist in my case. The CGW spring is too short to be used with the CZC firing pin. It's the way the firing pins are profiled. You have to use the CGW FP with their spring. That's the problem. Link to comment Share on other sites More sharing options...
Sliv2 Posted October 18, 2017 Share Posted October 18, 2017 1 hour ago, B_RAD said: The CGW spring is too short to be used with the CZC firing pin. It's the way the firing pins are profiled. You have to use the CGW FP with their spring. That's the problem. Correct. You can't mix and match. It has to be CZ + CZ, or CGW + CGW. Link to comment Share on other sites More sharing options...
Chili Posted October 18, 2017 Share Posted October 18, 2017 8 hours ago, B_RAD said: The CGW spring is too short to be used with the CZC firing pin. It's the way the firing pins are profiled. You have to use the CGW FP with their spring. That's the problem. Good to know, as it turns out it wasn't an issue I needed to solve as stock ran 100%. Link to comment Share on other sites More sharing options...
MissionaryMike Posted October 19, 2017 Share Posted October 19, 2017 It’s pretty cool that the S2 will run 100% reliably with a reduced hammer spring/stock firing pin and spring combo. Link to comment Share on other sites More sharing options...
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