The CMMG AR-15 Rimfire Barrel is a dedicated 22 Long Rifle with the proper diameter and twist rate for the 22 Rimfire cartridge. The barrel features the popular M4 profile and the muzzle has 1/2" x28 threads to accommodate all standard AR-15 flash hiders and muzzle brakes. Chrome moly steel construction with a parkerized finish for a lifetime of use.
Barrel Length: 16"
Twist: 1 in 16"
Barrel adapter included
Compatibile with all Atchison style AR-15 22 Long Rifle conversions with chamber adapter removed and replaced with barrel adapter.
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