High Concentration Silicone Oil Backpacks Four Screened Side Vents On

Four Screened Side Vents On The Boonie Cap Provide Optimal Cooling Airflow

Inner Barrel: 315mm

Jointly developed by 4UAD and J-Smooth

Glass Reinforced Nylon and Aluminum Bolster Handle is Strong and Lightweight

Hardware: Glass-filled nylon backspacer

High Concentration Silicone Oil Backpacks Four Screened Side Vents OnHigh Concentration Silicone Oil Lubricant is suitable for all Gas and Electric internal components. Silicone oil has a wide variety of uses including, but not limited to, Cylinders, Gas Blowback Units, Valves, O rings, Gears, Propane Adapters, Tools, Nozzles, Trigger Mechanisms, and more. Much thicker concentration of lubrication over common spray cans which means they keep your metal parts greased for a longer period of time! Features: High Viscosity