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Posted: 6/12/2004 6:11:57 PM EDT
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OK, I know this has been asked a million trillion times, but not in the last 30 days. I just got a new DPMS .22LR upper, and the FSB is canted quite badly to the left. If I were to tap out the tapered pins (I know, left-to-right) and rotate the FSB to the correct orientation, wouldn't the old grooves in the barrel now be incorrect ? How do I deal with this ? Open up the grooves on the barrel with a needle file ? Stick the FSB in place with chewing gum ? What ? At least there is no gas system to align here. 
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I feel the same, but am not sure if DPMS would regard this as "out of spec"... isn't 12MOA windage acceptable for MilSpec ? The sight is visibly off, but only shoots about 3" right at 25yds (~12MOA). I'm going to call them Monday to see what they propose. |
You never know until you try. |
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