Retro Arms CNC Hop Chamber AR15 PRO gear set Heat Treated to 50 HRC

Heat Treated to 50 HRC to be one of the most durable racks on the market

It incorporates only essential features like a rubberized buttpad for comfort and grip and a metal QD cup that's switchable to either side of the EPS-C to accommodate your preferred sling attachment position

Real Deal Details

2- Single Sector Gear builds should be using our Real Deal Ultimate Piston Assembly SSG Variant + Real Deal High Speed Delay Chip

With this unit you are able to adjust the length of the nozzle from OUTSIDE the gearbox

Retro Arms CNC Hop Chamber AR15 PRO gear set Heat Treated to 50 HRCRetro Arm's new variant of their hop chamber , the Pro series comes packed with modularity ! The all new Pro hop chamber comes with an adjustable bb feed tube which makes fitment with magazines a dream. What is included? CNC Hop Chamber Adjustable BB Feed Tube 5x Shims for Adjustable Feed Tube Rotary Dial 1x Flat Hop Arm 1x Flat Hop Nub 1x M style Arm C Clip 3x o rings, Gearbox seal Rotary Wheel BB Feed tube retention Threaded barrel collar Real Deal