The CMMG conversion kit worked great except for one of the three magazines that came with the unit led to failures to feed and eject with Armscor ammo. The feed lips on one magazine were sharp with burrs compared to the other mags which were rounded and smooth so I lightly filed them and it resolved the issue. Very impressed with rapid fire after 200 rounds of flawless feeding and ejecting with several different .22 LR rounds. Saving .20 to .30 cents per round will pay for the kit after about a thousand rounds.
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good info….keep it up……..lol