M249 Featherweight hop-up chamber (nozzle incl.)

Hop-up chamber for M249 machine gun from top domestic manufacturer EPeS allows to increase the performance and accuracy of the replica. Its unique design allows the use of standard AEG hop-up bucking. The chamber is CNC machined from EN AW 7075-T6 aerospace duralumin and coated with H+PTFE for longer life and protection against scratches. Hop-up chamber is designed for M249/MINIMI brands A&K, P&J, CA.

The complete set includes a number of accessories, such as spacers and O-rings, for individual adjustment and installation.

Package contents (See photo):

• Hop-up chamber
• Nozzle
• Hop-up pressure control wheel
• Hop-up pressure roller
• 2× locking O-ring regulation ring (9×1.5)
• 2× O-ring for clearance of the chamber in the mechabox bore (6×1 and 9×1)
• 2× hop-up collar rubber spacer (0.1 + 0.2 mm)
• 4× worm for fixing the barrel in the hop-up chamber (2× M3×5 + 2× M3×4 - they belong to the upper and lower holes in the groove)
• Worm for fixing the hop-up chamber in the gun body (M3×12)
• Longer pin for axial locking of the hop-up chamber in the feed shaft