￭ U.S and Taiwan patents, effectively reduce the impact from the piston   

avoiding from uncomfortable and wrist injurly. It can still function after a long time of overturn or accidental fall which cause the cylinder sink and airway close.

￭ Cover arc shaped by ergonomics, with no screzws in the cover for a smoother touch. The vent was place in the front and back instead of top to avoid the cause of smudge on hand

￭ Cylinder surface progress through tust hard coat treatment for high durability and rust less

￭ Valve surface progress through tust hard coat treatment for high durability

￭ 7075 piston for high abrasion resistance and stable

￭ SKD61 driver for superior stable and firm

￭ The unique design makes the magazine can rotate 360 degree for easier coener working