Retro Arms CNC QSC 8mm V2 Gearbox mp9 These updated Generation 2 springs

These updated Generation 2 springs are heat treated to help retain their shape and avoid being crushed under their own weight

HK MP5 top rail mountable

THE I5  FACEMASK PROVIDES INCREASED PROTECTION

-Cutouts on the side allow the follower to pass through the zipper at the top of the magazine channel

Internally the pistol functions like many other similar "striker fired" pistols and has an adjustable hop up

Retro Arms CNC QSC 8mm V2 Gearbox mp9 These updated Generation 2 springsNote that the picture is for reference ONLY and the colour of the gearbox may vary batch to batch. CNC gearbox V2 designed for airsoft replicas AR15 (M4), M16 and other ones with V2 gearbox. This gearbox is manufactured from one solid block of aircraft aluminum (Dural) EN AW 7075 T651, which has higher strength (590MPa), than common construction steel (390MPa). Because of used material, our gearboxes have the best durability and resilience than common