A 300 rounds magazine on your GBB! Available in US or EU connection

This adapter makes it possible to connect an M4 mag to a GBB Hi-Capa (AW Custom HX series, Tokyo Marui, WE) pistol and to connect it in HPA (compressed air in a bottle).

Required for Speedsoft, SpeedQB, AirQB and FCC, this adapter is made in Belgium by 3D nylon sintering printing (SLS technology, selective laser sintering)

• HPA EU elbow fitting for better handling
• Single stack bbs line.
• M4 magazine eject button on the left of the adapter
• 57 grams
• New material, printed nylon for increased durability and impact resistance.

This adapter is designed to operate between 90 and 120 psi.

Pistol magazine not included, M4 magazine not included.