GBF Glock G19 KI Gen 5 GBB Pistol Color:Black Ergonomic design prevents fatigue and

Ergonomic design prevents fatigue and Increase long term accuracy

and foolproof

Therefore if it was running whenever the trigger was depressed it would wind up the spring faster than the BB's are being fed into the gun so the spring would constantly be ratcheting which can cause it to break

A robust design allows for an operating pressure range of 45psi to 145psi which enables the F2™ to achieve velocities from CQB to DMR while employing only one nozzle for the entire velocity adjustment range

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GBF Glock G19 KI Gen 5 GBB Pistol Color:Black Ergonomic design prevents fatigue andCNC Slide CNC gas blowback unit CNC outer barrel Kublai Stippled Lower frame CNC Speed Trigger