VFC AK

VFC AK GBBR Parts UK

Upgrade and tuning parts for the VFC / Umarex AK-series gas blowback rifle. Adjustable NPAS power valves and quick-change nozzle spring plugs from Waldo Dynamics to fine-tune muzzle energy and reliability on your VFC AK GBBR.

An NPAS lets you dial your VFC AK's power to your site's field limit without swapping springs — the quickest way to stay chrono-legal.

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Waldo Dynamics - Crimson NPAS for VFC / APFG / Maruyama
Waldo Dynamics Crimson NPAS, a red negative-pressure adjustment system nozzle unit with stainless adjuster screws, for VFC, APFG and Maruyama gas blowback rifles
Waldo Dynamics Crimson NPAS nozzle shown horizontally, in red, with the nozzle opening and stainless adjustment screw visible
£9.99

Waldo Dynamics - Crimson NPAS for VFC / APFG / Maruyama

Waldo Dynamics - VFC Quick-Change Nozzle Spring Plug (FAL/AK/FNC/UMP)
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VFC Quick-Change Nozzle Spring Plug - FAL/AK/FNC/UMP
£4.49

Waldo Dynamics - VFC Quick-Change Nozzle Spring Plug (FAL/AK/FNC/UMP)