Action Army AAP-01 CNC Hop-Up Chamber
- This a replacement/upgrade for the Action Army AAP-01 Pistol.
- Reinforced Hop-Up chamber, made from a single piece of CNC machined aluminum.
- The chamber is a much better fit than the original, which helps increase performance.
- A much larger hop adjustment wheel makes it easier to adjust the hop while in game.
- Notch adjustments make for a more precise setting.
- Weight: 28g