WE Gas Blow Back M4 CO2 Mags at Airsoft Buddy

Airsoft Buddy are accepting pre-orders on the WE GBB M4 CO2 mags now:

Airsoft Buddy is accepting Pre-Order for WE Gas Blow Back M4 CO2 Magazine now.

Pre-Order price is US$40@. After the pre-order period, the price will be
US$45@.

(Airsoft Buddy)