RetroArms CNC Piston 19 Steel Teeth — SR25 Piston Heads and precision builds

and precision builds

Refined geometry in V2 version for enhanced clearance and smoother trigger-finger movement

Finish: Anodized (Black)

FPS output may vary depending on barrel length

this loader can rapidly fill mid-cap and high-cap magazines with up to 1400 rounds of 6mm BBs

RetroArms CNC Piston 19 Steel Teeth — SR25 Piston Heads and precision buildsThe RetroArms CNC Piston 19 Steel Teeth (SR25 Gearbox) is a high durability, precision engineered piston made specifically for SR25 and extended length AEG gearboxes. Built for long stroke DMR systems, it features a full rack of 19 CNC machined steel teeth designed to handle higher stress, longer travel, and stronger springs commonly used in designated marksman builds. Its reinforced polymer body combined with a steel tooth rack ensures exceptional