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Posted: 12/5/2007 6:27:25 AM EDT
RRA upper, bolt is ramped using standard hammer with qbuffer. Every once in a while the round chambers but doesn't reset the hammer. What do think is the problem?
Link Posted: 12/5/2007 7:05:24 AM EDT
Is your standard hammer an AR15 one with a notch? I think most people with ramped bolts use a rounded hammer, DPMS or M16 hammer.
Link Posted: 12/5/2007 2:16:06 PM EDT

Originally Posted By smgcrazy:
What do think is the problem?

This will likely cure your woes.... or simply weld yours and profile --

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