Reinforced cylinder head

Slighty padded and double-stitched for durability

AM Saber Slide

Structured and Padded throughout to protect your HPA Tank from field elements

Designed for Li-Poly compatibility

PolarStar F2 HPA Engine for V2 Gearbox Airsoft Rifles Trigger Electronics Reinforced cylinder headWhat is F2? F2 is essentially a Mini Fusion Engine. It offers the same adjustability and performance as the Fusion Engine in a cylinder sized package. Patented Dual Solenoid Design The dual solenoid design of the F2 provides the same functionality as the legendary Fusion Engine but in a more compact, efficient and flexible design. Dual solenoids allow for the nozzle and the poppet valve to be adjusted independently of each other for unparalleled