Custom Engraved Retro GearboxHave you ever wanted to customize your build and make it truly one of a kind? Well now you can! Put all the small details and bring your ideas to life with Real Deals Laser Engravings Engrave designs, textures , Real Deal Templates , Names , Call Signs, Numbers , Build Specs ect. This covers the cost of the Retro Arm Gearbox as well as the engraving service. All art work submitted is preferred to be black and white. After purchasing , please email

This build features a blue color scheme throughout the build

Low Profile Bushings will not interfere with selector plate

and it is important to ensure proper alignment and engagement between the gears and your piston

Shop fee $75

Re-designed with larger and more ports in efforts of reducing the Vacuum Effect in High Rate of Fire Builds

The inner diameter of the axle hole is manufactured to a tolerance of

The Real Deal Airsoft Stainless Steel Cylinder

Compatible with ALL 8mm Gearboxes

Long service life

thus increasing the reliability

High Speed Cutouts throughout the body

The body of the trigger is CNC machined out of a solid block of Aircraft Grade Aluminum