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Posted: 7/24/2013 6:12:42 PM EST
[Last Edit: 7/24/2013 6:24:53 PM EST by mike89]
Cycles very smoothly with the hammer cocked, but release the hammer and I cannot cycle it. It's like the charging handle is locked. Anyone have any idea what's going on?
Link Posted: 7/24/2013 7:35:15 PM EST
Take off the upper and try pulling the charging handle to see if it has any binding. If so, remove the bcg and try just the handle. Check the bcg and gas area for any wear spots like it's binding.

If the upper is free moving, then check the hammer and trigger mechanism. Check your binding or difficult movement.
Link Posted: 7/24/2013 7:44:02 PM EST
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Originally Posted By criio1:
Take off the upper and try pulling the charging handle to see if it has any binding. If so, remove the bcg and try just the handle. Check the bcg and gas area for any wear spots like it's binding.

If the upper is free moving, then check the hammer and trigger mechanism. Check your binding or difficult movement.
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Nope upper cycles fine, cycles fine when the hammer is cocked, cycles fine when it's 1/4 cocked....the only way I can't get it to cycle is when the hammer is fully released.....and it's VERY locked up at that point. Need to break it down and manually reset the hammer.
Link Posted: 7/24/2013 10:51:32 PM EST
Sounds as the hammer is the only thing that's causing the problem. I would take it the trigger group and reinstall. Check that springs ate in the right orientation.
Link Posted: 7/25/2013 3:05:37 AM EST
What style hammer do you have? Is your bolt ramped?
Link Posted: 7/25/2013 5:21:56 AM EST
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Originally Posted By eodinert:
What style hammer do you have? Is your bolt ramped?
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Bingo.
Link Posted: 7/25/2013 5:24:34 AM EST
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Originally Posted By eodinert:
What style hammer do you have? Is your bolt ramped?
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Now that you mention it, I have a CMMG bolt (ramped) with a 9mm hammer. I think Im going to put in a standard hammer and see if that fixes it.
Link Posted: 7/25/2013 12:57:24 PM EST
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Originally Posted By mike89:



Now that you mention it, I have a CMMG bolt (ramped) with a 9mm hammer. I think Im going to put in a standard hammer and see if that fixes it.
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By mike89:
Originally Posted By eodinert:
What style hammer do you have? Is your bolt ramped?



Now that you mention it, I have a CMMG bolt (ramped) with a 9mm hammer. I think Im going to put in a standard hammer and see if that fixes it.

A ramped bolt and a "9mm hammer" don't play well together. Put a standard, rounded (not notched!) hammer in and you'll be good to go.
Link Posted: 7/25/2013 2:58:44 PM EST
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Originally Posted By GHPorter:

A ramped bolt and a "9mm hammer" don't play well together. Put a standard, rounded (not notched!) hammer in and you'll be good to go.
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By GHPorter:
Originally Posted By mike89:
Originally Posted By eodinert:
What style hammer do you have? Is your bolt ramped?



Now that you mention it, I have a CMMG bolt (ramped) with a 9mm hammer. I think Im going to put in a standard hammer and see if that fixes it.

A ramped bolt and a "9mm hammer" don't play well together. Put a standard, rounded (not notched!) hammer in and you'll be good to go.


Yup problem solved. Thanks!
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