VFC M4 GBB 20R magazine V3 (Gray)

VFC 20 Rds Short Type Gas Magazine ( V3 ) for VFC M4 GBB Rifle Airsoft Series

- M4 V2 enlarges the rear opening of the top cover, to optimize the stability of the bolt catching function.
- M4 V3 with new switch-optional blank shooting function.
- Improved gas magazine, light-weight, great performance.