Hop-Up (M249) GEN3 2022

Fits to.
A&K All models M249 & MK46
CA All models M249
CyberGUN M249 compatible with A&K
Specna Arms SA-46

Regular Version (Metal Machine Gun)
Not suitable for Featherweight and other plastic machine guns.

1) Rigid fixation of the stem in the chamber.

2) Ability to use standard rubber and rollers.

3) Smooth adjustment.

4) All metal parts are manufactured by CNC processing.

5) Material: Aluminum

6) Manufacturing method: CNC 100%

PS: It is recommended to use elastic rubber of  Prometheus.