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Failure to feed .223 in AR15

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bkoenig:
Maybe if the buffer is too heavy.

OnTheFly:
Could the spring be too strong?

Fly

RLMoeller:
What spring and buffer did you put in? 

FarmerRick:
I had a similar problem on one of mine that I switched to a clamp on gas block and free-floating tube. 
After firing the first round, my BCG wouldn't move back far enough to load the next round no matter what ammo I used.  It ended up that I had the gas block too far back, right up against the small shoulder that locates the handguard cap(which was no longer being used).  After moving the block forward about 1/16", everything was just fine with any ammo, including wolf .223.

YMMV 

dougusafsp:
the tube and spring if I remember right is ATI milspec. I did move the clamp on gas block forward but still have the issue

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