CowCow Enhanced Hammer Housing For Marui G17 & Gen.4, G19 GBB

For Marui G17, G17 Gen.4, G19 GBB Pistol

- Enhanced Hammer Housing For TM G17 & G19
- Fully CNC from aircraft grade 7075 Aluminum.
- Enhance and smoothen the hammer & slide action, also improved durability. 
- The strengthened structure can bear with the stronger hammer hit. 
Hard Black anodized finish