CNC Billet CM.097 V2 Gearbox Shell to CM.097

Precision CNC-machined V2 gearbox housing designed for mounting on the CM.097 (AR15/M4) series. It has endured extreme testing with an M170 spring. It is CNC machined from 6061 aluminum alloy bar stock with a blue anodized finish. The housing accepts 8mm bearings and spring guides with a quick-release spring system.