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Posted: 2/20/2016 8:02:23 PM EDT
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I have a Giessele G2S trigger in a 10.5" SBR that about 30% of the time will not reset.
Round fires, ejects, re-chambers a fresh round, trigger stays to the rear. Sometimes I can push it forward with my finger, sometimes I can't move the trigger. Safety on, safety off, pull the trigger........nothing. Drop mag, clear the chamber, open the upper, yep, trigger is set back past the sear. Pull trigger, and hammer will fall. Reload, chamber, fire 5 or 6 rounds.....trigger doesn't reset. Safety on, safety off, push trigger forward, won't move. manipulate the safety on and off, nothing, manipulate the hammer, nothing. look at it for a few second *tick* trigger rests as I am looking at it.... 
Any tips or suggestions? |
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Quoted:
Start with a the basics. Make sure your trigger, hammer and disconnect or springs are installed correctly. Also did you install the lube? Yes. Double checked all......used the lube. Thinking possibly it's the recoil spring? I installed a lighter weight recoil spring, standard buffer. Adjustable gas block, tuned the gas down. Rounds eject about 2-4 feet to the 2 O'clock. Trigger works perfectly when I inspect it by hand. resets and releases just as a good trigger should. |
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Quoted: Yes. Double checked all......used the lube. Thinking possibly it's the recoil spring? I installed a lighter weight recoil spring, standard buffer. Adjustable gas block, tuned the gas down. Rounds eject about 2-4 feet to the 2 O'clock. Trigger works perfectly when I inspect it by hand. resets and releases just as a good trigger should. Quoted: Quoted: Start with a the basics. Make sure your trigger, hammer and disconnect or springs are installed correctly. Also did you install the lube? Yes. Double checked all......used the lube. Thinking possibly it's the recoil spring? I installed a lighter weight recoil spring, standard buffer. Adjustable gas block, tuned the gas down. Rounds eject about 2-4 feet to the 2 O'clock. Trigger works perfectly when I inspect it by hand. resets and releases just as a good trigger should. |
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Quoted:
Turn the gas up, see what happens... Quoted:
Quoted:
Quoted:
Start with a the basics. Make sure your trigger, hammer and disconnect or springs are installed correctly. Also did you install the lube? Yes. Double checked all......used the lube. Thinking possibly it's the recoil spring? I installed a lighter weight recoil spring, standard buffer. Adjustable gas block, tuned the gas down. Rounds eject about 2-4 feet to the 2 O'clock. Trigger works perfectly when I inspect it by hand. resets and releases just as a good trigger should. I think it may be that the recoil spring is not slowing the bolt down enough? I'm really not sure at this point. The brass isn't flying far but the hammer seems to be pushed farther back and sticking past the sear.
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Quoted:
I have a Giessele G2S trigger in a 10.5" SBR that about 30% of the time will not reset. Round fires, ejects, re-chambers a fresh round, trigger stays to the rear. Sometimes I can push it forward with my finger, sometimes I can't move the trigger. Safety on, safety off, pull the trigger........nothing. Drop mag, clear the chamber, open the upper, yep, trigger is set back past the sear. Pull trigger, and hammer will fall. Reload, chamber, fire 5 or 6 rounds.....trigger doesn't reset. Safety on, safety off, push trigger forward, won't move. manipulate the safety on and off, nothing, manipulate the hammer, nothing. look at it for a few second *tick* trigger rests as I am looking at it....
Any tips or suggestions? You might contact Giessele CS , could be a return/replace that could save you a headache trying to fix or figure out. |
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Quoted:
You might contact Giessele CS , could be a return/replace that could save you a headache trying to fix or figure out. Quoted:
Quoted:
I have a Giessele G2S trigger in a 10.5" SBR that about 30% of the time will not reset. Round fires, ejects, re-chambers a fresh round, trigger stays to the rear. Sometimes I can push it forward with my finger, sometimes I can't move the trigger. Safety on, safety off, pull the trigger........nothing. Drop mag, clear the chamber, open the upper, yep, trigger is set back past the sear. Pull trigger, and hammer will fall. Reload, chamber, fire 5 or 6 rounds.....trigger doesn't reset. Safety on, safety off, push trigger forward, won't move. manipulate the safety on and off, nothing, manipulate the hammer, nothing. look at it for a few second *tick* trigger rests as I am looking at it....
Any tips or suggestions? You might contact Giessele CS , could be a return/replace that could save you a headache trying to fix or figure out. I just might after today's test fire. If it's not an obvious fix that I can do without tools, I'll contact them to see what they say. |
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Well, Today was a good day.
I changed the recoil spring and played with three different buffer weights. (standard, H2 and a 9mm buffer) gun fired everything I fed it with one exception a round only chambered half way in. Not sure what that was about though.
I fired fast, slow, weak handed, not shouldered, one handed pistol style, just about every conceivable style i could to see if I could get the gun to malfunction. Whatever it was, the gun works just as well with any buffer weight. The standard was noticeably more recoil and the 9mm buffer was the least, but the gun chugged along for about 80 rounds. Thanks for all the suggestions. I appreciate it. 
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