Silverback Desert Tech SRS A1 Covert 16" Pull Bolt Short Ver Accessory-Type_Gas Tube fit tightly to the barrel

fit tightly to the barrel base to keep the chamber being centered

Nice heavy blowback toggle that locks back on last shot

Tolerance : +-0

Steel housing Magazine

Utilize standard 40mm BB Shower such as King Arms

Silverback Desert Tech SRS A1 Covert 16" Pull Bolt Short Ver Accessory-Type_Gas Tube fit tightly to the barrelSilverback Desert Tech SRS A1 Covert 16" Pull Bolt Short Ver (OD) 1 1 Scale High Performance Assembled Bolt Action Sniper Rifle (Pull Bolt System) Quick change of barrel length and rail system length T6 Aluminum Upper Receiver and Outer Barrel CNC 6061 6. 05mm AEG type precision inner barrel T5 Aluminum Handguard Reinforced Full metal 20mm top rail is designed for mounting optics, designators and other accessories Injection molded Polymer Receiver