Genuine Vorsk VMP output valve
The output valve, sometimes called the knocker valve, sits at the top of your gas magazine and is struck by the valve knocker on every shot to release a metered burst of gas to the nozzle. It is a high-wear part, and when it starts to fail your whole gun suffers. This genuine Vorsk replacement matches Nuprol part reference VSP-02-12, so you get a proper direct fit for the VMP range.
What it fixes
Over time these valves stick, wear or lose their seal, and the result is a magazine that hisses, leaks down overnight, or leaves your gun cycling weakly. Swapping in a fresh output valve restores full gas flow and reliable, powerful cycling.
Fitting
It is a simple screw-in fit, but you will need a valve key tool to seat it correctly without damaging it. A light coat of silicone on the seal before fitting helps it bed in and last longer.
Keep your kit running
Combined with fresh green gas, a new output valve brings a tired magazine back to life. If you would rather leave it to the experts, our Kent repair and servicing workshop can sort it for you.
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