PolarStar - Fusion Engine Nozzle for SCAR-H (Blue: 380-435 FPS) 416 The ventilation holes on the

The ventilation holes on the piston head can greatly increase the speed that the piston travels

and single shots in semi-auto mode

One of the hardest shooting airguns

impact resistant polymers

PolarStar - Fusion Engine Nozzle for SCAR-H (Blue: 380-435 FPS) 416 The ventilation holes on theThis series of Fusion Engine air nozzles allows you shift the velocity range of your rifle up or down to best meet your requirements. Nozzles are easy to install and typically take less than 5 minutes to change out on most models from start to finish. Each nozzle is machined from aluminum and comes with both the internal and external o rings. The nozzles are color coded with a hard coat anodizing for easy identification. Results with a . 20g BB using