Guns Modify Aluminum CNC Zero Housing Set For TM G17/34 Airsoft GBB G-series

- New Design Zero Resistance
- CNC Lightweight aluminum design
- One-way, steel lever design greatly reduces resistance by cocked hammer during return cycle
- Compatible with roller and bearing type hammer for further resistance reduction

Including : 
- Lightweight aluminum housing w/ piston
- MIM made Steel level / hammer / sear
- Aluminum rear plate
- Pin x 5 / spring x 5 / screw x 3
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