G&P GMAG 46 Rds Long version for Marui TM MWS GBB System - Black

- Alloy and polymer construction 
- 46 rounds loading capacity
- T8 Enhanced TM MWS Magazine Gas Route Seal 60 Degree
- T8 Enhanced TM MWS Magazine BB Follower Spring
- Replace original magazine
- Fit for Marui MWS GBB System