CMMG .22lr conversion in 11.5″BCM sbr. Cheap fun. One FTF in 175 rounds… not bad for .22 ammo.
Much fouling & lead in the barrel: follow recommendations and remove the conversion after firing to prevent seizing. Normally I just run a bore snake through it a few times, and wipe off grime, re-lubricate, and reassemble. This time there was so much lead visible I actually had to punch out the barrel.
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