Precision barrel 6.03mm x 275mm M4 BCM MCMR 11.5" EG Barrel Prometheus

Prometheus is a brand of Laylax, a world-renowned manufacturer of high-quality upgrade parts primarily for AEG replicas.

This 6.03mm x 275mm precision barrel is ideal for increasing the accuracy and range of your Airsoft replica. This is the original barrel size of the M4 BCM MCMR 11.5".