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Posted: 10/9/2007 4:10:09 PM EDT
[#1]
The EE?
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Posted: 10/9/2007 4:12:56 PM EDT
[#2]
You know, I've been handling AR-15/M-16s for almost 20 years now, and have never witnessed one of the pins drift. Are the hammer and trigger springs properly installed?
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Posted: 10/9/2007 4:27:05 PM EDT
[#3]
There's a good chance they're not. During assembly I didn't pay attention to which direction the cutouts/indentations went. Which way is correct?
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Posted: 10/9/2007 4:33:47 PM EDT
[#4]
your hammer spring is backwards.
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Posted: 10/9/2007 4:35:56 PM EDT
[#5]
Would it still work if it was backward? I've shot it several times with no problem, aside from trigger pin creep. Does it matter which way the pins go in?
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Posted: 10/9/2007 4:42:51 PM EDT
[#6]
It'll work, you might get some light strikes, but your trigger pin will walk out. Builder's forum is your friend Assembly guide Check that your spring goes THIS way. 
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Posted: 10/9/2007 4:44:51 PM EDT
[#7]
building an AR, step-by-step
Yeah, the legs from the hammer spring rest on top of the trigger pin and keep it from walking. |
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Posted: 10/9/2007 4:52:26 PM EDT
[#8]
Yep, hammer spring was backward. Thanks for the info fellas.
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Posted: 10/9/2007 4:57:50 PM EDT
[#9]
Ask me how I knew. 
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Posted: 10/9/2007 5:00:23 PM EDT
[#10]
Yeah, I think I put a buddy's lower together the same way, incorrect that is.
 I'll need to give him a call. The best way to learn is by f$#%ing something up.
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Posted: 10/9/2007 6:07:55 PM EDT
[#11]
You've solve your problem but here are other possibilities
Legs of the hammer pin go over the trigger pin, not under it. If the hammer pin is walking the J spring in the hammer is weak Legs of the hammer spring should be in the grooves of the trigger pin. Wire diameter of spring should be such that it sits in the grooves and the grooves should be such that the legs sit in them. |
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