The Tapp M4 Modular Adapter converts your traditional gas Airsoft gun to use HPA and accept standard M4 AEG magazines.

• Converts your traditional gas Airsoft gun to use HPA and accept standard M4 AEG magazines (super-feed mags recommended).
• Swap between different lowers easily with modular design.
• Interchangeable between M4, ARP, Shotgun Shell lowers, etc.
• Gas magazine included and pre-installed with single stack mod to allow faster BB flow.
• Friction-less BB stop allows smoother feeding and prevents BB loss while reloading.

Patent Pending