Description

- Polymer Constructed
- For AR GBB Spec Pistol Grip
- Compatible With UMAREX / VFC MP5K GBB Series  (For SEF Early Type Selector & Trigger Box Only )

* Not Compatible With 3-Round Burst Trigger Box *

**All aftermarket upgrade parts require necessary skill or modification to install and assemble, please consult with your airsoft technician if needed.