ASG Extended 50rnd Magazine for B&T USW/CZ Series GBB Pistols

A 50rnd Extended Gas Magazine for a range of ASG Gas Replicas, including the B&T USW, the Shadow 2, SP-01 and CZ 75. If you own one of these replicas and want the ability to throw 50 BBs down range in a hurry, then the firepower increase of a 50rnd Magazine cannot be overstated.