Designed to work with the original Japanese 'Systema' M4 PTW airsoft gun and clones. *** This full-aluminum and light-weight PTW magazine (NOT heavy and rusty sheet steel ... ) from ' Vanaras ' is new version can work with the early production runs of PTW lower receiver from Systema and clones with smaller magazine well dimensions.

It is also suitable to the newly G&D DTW AR series.

Product Features :

- Light weight aluminum magazine housing same as the real one.  - Semi-transparent plastic inner magazine assembly for easy BB feed trouble shooting. - Will work with the original Japanese 'Systema' M4 PTW airsoft guns and clones. - Equipped with stiff spring to deal with 0.20g to 0.3g BB. - Specially designed magazine follower without the need of additional 'Systema ' eye-drop style follower.  - Easy spring replacement system for spring cleaning, lubrication and even replacement.  - Designed with stoppers for 30 / 60 / 90 and 120 rds BB capacity to suit your combat needs.  - Labeling area are available on magazine for your personal note such as BB bullet weight and personnel ID identification. - Comes with color label as shown in the pics. - Wholesale inquiries are welcome.

*** Small drops of silicon oil should be applied to the inner case BB chamber regularly for smooth operation of BB bullets loading and delivery !