Polarstar AK Series HPA Fusion Engine Nozzle, Black

Specifications Build: Aluminum Compatibility: HPA AK Series Fusion Engines Nozzle Length: 1.6" Inches Muzzle Velocity (w/ 275mm Barrel): 425 Fps (w/ 0.20g BBs) Muzzle Velocity (w/ 375mm Barrel): 455 Fps (w/ 0.20g BBs) Muzzle Velocity (w/ 509mm Barrel): 475 Fps (w/ 0.20g BBs) Bore Size: 0.1160" Inches Color: Black Manufacturer: Polarstar Features Regulates The Maximum Fps Output For Your Rifle Color Coordinated Nozzles Help Choose The Fps You Need Choose Or Alternate Between Nozzles To Meet Your Field Requirements Lightweight High Quality Anodized Aluminum Nozzle The Velocity Range Of Your Rifle is Affected By The Length Of Your Barrel Enhances Compression And Lowers Gas Consumption