EMG 20rd Gas Magazine for FN 509 GBB Pistol Colour:Black Molle compatible with the Laser

Molle compatible with the Laser Cut design

Optimized Gas Flow Channel: Ensures stable and consistent gas output for improved shot-to-shot consistency

Integrated motion sensor

CNC outer barrel fixed with a trunnion for improved performance

Jefftron in line mosfet with deans for  increased trigger response and use with 11

EMG 20rd Gas Magazine for FN 509 GBB Pistol Colour:Black Molle compatible with the LaserFeatures Durable metal construction Fully licensed FN Herstal trademarks and engravings 20 round capacity High quality steel spring for consistent feeding Easy to fill gas valve Manufacturer: Cybergun Licensed by FN Herstal