Darqhelmet
You had one job, one.
UPPER GROUP, RESOLUTE, Mk4, .22LR, 17" | CMMG - AR 15 and AR 10 Builds and Parts
Whether you’re looking to build a AR15 for plinking, training, or small-game hunting, this .22 LR RESOLUTE® Up
cmmg.com
That would be the closest to the barrel/bolt combo completed. CMMG has other complete uppers with different barrel lengths.