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re: Purchased a M&P 15-22LR
Posted on 10/30/23 at 11:01 am to TheBoo
Posted on 10/30/23 at 11:01 am to TheBoo
My experience with the CMMG .22 BCG was OK but far from great. The 5.56 twist rate and bore size are not for .22LR. Accuracy suffers and light firing pin strikes because the BCG moves forward on hammer strike. Built a dedicated upper with CMMG .22 barrel and BCG. Found a spacer on line that fits in front of the buffer that has a slight point that pushes the .22 BCG group forward eliminating light hammer strikes. Accurate and reliable.
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