COWCOW High Flow Nozzle Valve with Valve Springs, TM Hi-Capa
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See it in our shop in Aulum, Denmark – directions and opening hours- 14-day right of withdrawal and 365-day returns
- Shop and workshop in Aulum, Denmark
About COWCOW High Flow Nozzle Valve with Valve Springs, TM Hi-Capa
The COWCOW High Flow Nozzle Valve is a CNC-machined 7075 aluminium nozzle valve for the Tokyo Marui Hi-Capa series. The valve sits inside the loading nozzle and controls how the gas is split between firing the BB and driving the slide back. The pack contains two valve springs of different lengths, so you can choose between a balanced setup and more power.
The nozzle valve is a small part with a big influence on how a GBB pistol behaves. Its shape determines how freely the gas flows, and the valve spring determines when the valve closes and sends the rest of the gas backwards for blowback. COWCOW's valve is designed to give a smoother gas flow with less loss, so cycling becomes faster and more consistent – and with the two springs you can shift the balance between shot energy and recoil yourself.
Why switch to a high flow valve
The key features:
- CNC-machined 7075 aluminium: Dimensionally stable and light. It doesn't bend or deform under hard use the way worn original valves can.
- Optimised gas flow: Shaped to smooth out the gas flow and reduce losses, giving faster, more consistent cycling.
- Two valve springs: The white/blue spring is set up for a balance between energy and recoil, while the black one, according to COWCOW, gives approx. 10% more energy (joules) in the shot.
- Coated hardened spring steel: The valve springs are high-strength spring steel with a hard surface coating against corrosion.
- Anti-scratch and anti-freeze: The surface resists scratches, and the valve is designed to work consistently when the gas cools the parts during rapid fire.
Maintenance and safety
- Be aware of the velocity limits at the site you play at if you choose the black spring – chrono the pistol after the swap.
- Higher velocity may require other matched parts and experience. Incorrect fitting can shorten service life.
- De-gas and remove the magazine before disassembly, and lightly lubricate the nozzle O-rings with silicone oil on reassembly.
- Fitting requires experience – our workshop in Aulum, Denmark can fit the valve and choose the right spring for your setup.
Materials
CNC-bearbejdet 7075-aluminium
Delivery and returns
Shipping options and prices for your country are shown at checkout.
Full 14-day right of return with a money-back guarantee. Unused items in unopened packaging can be returned for up to 365 days in exchange for a gift card. Easy returns via our returns portal. Read more in our terms and conditions.
