Excellent conversion for your .223 - CMMG, Inc 22LR AR Conversion Kit, Bravo, Left Hand

Purchased this conversion about three weeks ago, after reading reviews on dedicated AR uppers ion .22lr vs. the CMMG conversion. It was drop in simple, just pull the .223 BCG and drop in this insert. Oiled the insert, and the first 50 rounds were a bit rough with numerous failures to eject. After the first 100 rds, it really smoothed out with no issues in the next two hundred rounds. The 10 round magazines function flawlessly, and having pulled one apart, was more than satisfied with the quality. The 10 round limit is set with a small pin that is easily removeable if you want to increase capacity and live in state that permits that sort of freedom. I have not evaluated accuracy seriously, but at 15 yds, and feeding it a remington yellow-jackets and CCI mini mags you can cover 5 round groups with a quarter shooting off a bench (Holosun red dot, Windham 16" upper). For plinking with your favorite AR, I would recommend this conversion. Further evaluation may indicate an upgrade like the "no-jam" charging handle, but good for the moment.