Posted: 1/23/2017 12:08:16 PM EDT
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I recently experienced a Disconnector Spring failure on my SD3G. I called customer service and they were able to diagnose the issue quickly and then they sent out a replacement spring set which quickly got me up and running again.
Given the trigger started failing after only 3,000-4,000 rounds (estimated) is that a common round count before the springs start having issues? Is their any PM check I can do for my S2S, B-GRF, B-G2S-E and SD3G triggers so I can find and replace the problem springs before they go bad? Should I replace the springs every 3,000 rounds automatically based upon round count? The failing spring measured about .435 and the new spring measured about .460, is their a known number I can check the spring and know it needs to be replaced? I noticed the spring kits you sell have red, yellow and blue springs for SD3G, SSA-E and SSA kits respectively. Would I be correct in assuming I need the red spring for the SD3G and B-GRF; the blue spring for the S2S and the yellow spring for the B-G2S-E? Is their any harm from swapping these springs between triggers besides changing final pull weight on the two stage triggers? Thanks. |
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Quoted:
I recently experienced a Disconnector Spring failure on my SD3G. I called customer service and they were able to diagnose the issue quickly and then they sent out a replacement spring set which quickly got me up and running again. Given the trigger started failing after only 3,000-4,000 rounds (estimated) is that a common round count before the springs start having issues? Is their any PM check I can do for my S2S, B-GRF, B-G2S-E and SD3G triggers so I can find and replace the problem springs before they go bad? Should I replace the springs every 3,000 rounds automatically based upon round count? The failing spring measured about .435 and the new spring measured about .460, is their a known number I can check the spring and know it needs to be replaced? I noticed the spring kits you sell have red, yellow and blue springs for SD3G, SSA-E and SSA kits respectively. Would I be correct in assuming I need the red spring for the SD3G and B-GRF; the blue spring for the S2S and the yellow spring for the B-G2S-E? Is their any harm from swapping these springs between triggers besides changing final pull weight on the two stage triggers? Thanks. Hello jaqufrost, You are correct that the triggers will have corresponding color designation for the disconnect springs. Periodically checking the trigger with a basic function check will suffice. As long as the trigger is functioning and the 2 stage triggers are smooth with the correct break, you are all set. You can interchange the SSA/SSA-E springs but the geometry will not change. In an AR15, that round count does not sound right. There would have to be numerous factors going on to wear out a spring that fast in that many rounds. The only time a disconnect spring would wear out in 3-4k rounds would if it would be in a sig MCX/MPX as the guns wear will out typical AR15 fire control groups. If it is in an MCX/MPX issues will arise. We do have an SSA-MPX trigger in the works to alleviate these issues. Shoot us an email at [email protected] with information about the lower and specs about your upper. We can figure it out and see what is going on to get you back up and running. -Geissele Customer Service |
It's spent it's time in a 14.5" midlength with an H3 buffer. The gas port is rather large, ARP cut it at just over .100 .
I had a half weight hammer spring in it for about 50 rounds - probably 500-1000 rounds back. I'm wondering if that did the spring in. No MCX in the house  Maybe someday I'll have one.
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