Dr Mugen real shock spring system in action

Dr Mugen have sent in a video of their real shock spring system in action:

this is mugen2 fire test mov this item. The existing products mugen2 airsoft gun

A recoil system
100% Original Product Compatibility
Increased durability
Piston, gear box protection
Electricity consumption is against
8.4v
High accuracy and long range

email: wwwyong@naver.com

(www.drmugen.com)