Guarder Airtight Rubber for Tokyo Marui USP / USP Compact GBBP Series

Every fraction of propellant wasted at the magazine-to-nozzle interface translates directly into sluggish slide cycling, weak cold-weather performance, and erratic downrange velocity. The Guarder Airtight Rubber resolves the subtle gas bleed and pressure drop-off common to heavily fielded Tokyo Marui USP and USP Compact gas blowback pistols. Formulated from a cold-resistant, high-density synthetic elastomer, this black gas route seal features a contoured contact face that creates a zero-tolerance mating surface between the magazine output port and the loading nozzle cylinder without inducing excess friction drag. Engineered to withstand higher-pressure green gas while resisting swelling or degradation from routine silicone oil maintenance, it recovers lost pneumatic efficiency, stabilizes FPS consistency, and sharpens cycle response across variable field climates. For skirmishers and airsoft technicians maintaining TM USP sidearms, this simple drop-in upgrade ensures crisp gas transfer and reliable secondary performance whenever your primary runs dry.

Check out more Airsoft Magazine Parts

Compatibility:

• Tokyo Marui USP and USP Compact GBBP Series

Includes:

• x1 Guarder Airtight Rubber for Tokyo Marui USP / USP Compact GBBP Series