Description Excel Arms MP-5.7 Accelerator Pistol chambered in 5.7x28mm with two, nine round removable magazines and a 7.5″ bull barrel barrel. Black polymer frame with serrated heel magazine release. Blow back operated with single action trigger. Frame mounted manual thumb safety. Stainless steel barrel and serrated slide. Right side cocking handle. Top picatinny optics rail. Adjustable rear and fixed front iron sights. Comes in its factory box with matching serial number, manual, tools, and two magazines. Must ship to a FFL holder. Condition: Very Good with light scratches, contact marks, and general handling wear. Light internal wear from operation. Clean rifled bore. Barrel Length: 8.5″ Serial: PE01902 Manufacturer: EXCEL ARMS Caliber: 5.7x28mm Model: MP-5.7 Accelerator Pistol Book# 06020