Female / Coupler Quick Disconnect Fitting for HPA Line

HPA QD Male Fitting (gun side) 6mm Macro Line HPA-QD-GSF-6

Valken Remote Coil w/ Quick Disconnect Line 28742

HPA QD Male Fitting for M4 Grip

Wolverine Airsoft Grip Line (no hpa adapters attached)

Ninja LPR Gun Side Male Quick Disconnect LPRQDASSY

Bull Craft Industries

BCI VFC MP7 HPA Drop-In Kit, Includes: PolarStar HPA Engine and Gearbox

+ 3 reviews

PolarStar F2 HPA Conversion Kit

Valken Universal HPA Tank Pouch

CQB Russian HPA Valve for JAG Scattergun