AR Sponsor
Posted: 10/27/2012 4:52:32 AM EDT
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I have two uppers, and one lower, my original AR is a Bushmaster with a CMC trigger, and my other upper was built by John Hollonger at White Oak Armament.
Most of the time I shoot my Bushmaster (defensive shooting) but at least once a month I throw on the WOA upper to do a little precision shooting. My concern here is that by changing the uppers all the time, will that cause undo wear to the pins, or even my lower receiver? I've thought about building a dedicated lower for use with my WOA upper, do you guys think that is the best course? Any advice will be greatly appriciated. Thanks, Paul 
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