Prometheus EG Barrel Wide Mechbox Pro Includes Micro Dot dust cover

Includes Micro Dot dust cover and batteries

This is the factory replacement magazine for the FDE Beretta M9A3 CO2 powered airsoft pistol

Detail in bracket (8mm) means diameter for bushings/bearings

Please be sure to loc tite the screw to keep your safeties tight

This HK 416 will send BBs downrange at 420 FPS

Prometheus EG Barrel Wide Mechbox Pro Includes Micro Dot dust coverInner diameter 6. 030. 01mm with dimensional tolerance! Wide Expanded HOP window for a variety of HOP nubs and tensioners Introducing Prometheus EG Barrel W; Wide Expanded HOP window model, based on our EG barrel with the renewed Wide Expanded HOP window for a variety of HOP nubs and tensioners. Inner barrel bore width of 6. 03mm with a tolerance of 0. 01mm, made of stainless steel (SUS) for superior strength necessary to maintain accuracy without the