Been meaning to post this for a while. I got a new upper receiver a while back, after I got the rifle back together it was off to the range to re-zero the BUIS.
I first put 10 un-aimed rounds through it to test, then took aim at paper I put up @ 25 yards; I had put a quarter in the center of the paper to use as my POA. This was the first shot, from a sandbag:
That was easy! New upper, same BUIS, no re-zeroing needed.
Please clarify, is this a new upper for your XCR or for something else like an AR15? If it is an upper for the XCR, how much did it cost (Terra feel free to answer too)?
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