ASG STI Duty One CO2 GNB BB Pistol, .177 Cal, Blowback, Semi-Auto

STI DUTY ONE CO2 GNB BB pistol CO2 powered Semi-auto Drop-out, easy to load magazine CO2 cartridge conveniently located in the grip 20-rd magazine Integrated front Weaver rail for mounting light or laser Beavertail grip Metal slide Barrel threaded for silencer Fixed sights Non-blowback