Features:

- designed for M249/Minimi replicas by SA, A&K, P&J, CA, Cybergun
- made out of aviation duralumin EN AW 7075-T6 with a H+PTFE surface finish
- precise hop-up adjustment
- clearly marked direction of adjustment
- modern construction of the chamber interior - tested with the majority of rubber buckings available on the market
- designed for AEG hop-up buckings with a standard collar length - to fit the bucking with a longer collar to the chamber, you can use the included washers
- adjustment of the chamber clearance in relation to the gearbox opening is done using the attached o-rings (two sizes)
- removable pin stabilizing the chamber with the feeder
- made in the Czech Republic

Set contains

- Hop Up chamber
- Pressure adjustment ring
- spacer
- 2 pcs of O-rings for attaching the adjusting ring (9×1.5 mm)
- 2 pcs of o-rings to adjust the clearance of the chamber in relation to the gearbox hole (sizes 6×1 mm and 9×1 mm)
- 2 pcs of spacers for the collar of the hop-up bucking (0.1 + 0.2 mm)
- 4 pcs of screws for fixing the barrel inside the hop-up chamber (2 pcs. M3×5 + 2 pcs. M3×4)
- Screw for fixing the hop-up chamber inside the outer barrel housing (M3×12)
- Longer replacement stabilizing pin