Jaeger Precision Tokyo Marui MP7 NPAS Valve

The Jaeger Precision MP7 NPAS valve is made for Tokyo Marui MP7 GBB owners who want to set their muzzle energy rather than live with the stock output. It went through several versions over a long development period, aiming for smooth, precise adjustment and consistent shot-to-shot power.

Jaeger Precision says the valve reaches up to around 1.5 joules fully open, with production units tuned slightly lower. For UK players that leaves headroom to adjust down to site limits, while players abroad can use more of the range where local rules allow. Adjustment uses the same 1.5mm Allen key as Jaeger Precision's other valves.

Key specs

• Adjustable NPAS valve for the Tokyo Marui MP7 GBB
• Adjusts with a standard 1.5mm Allen key
• Up to around 1.5 joules fully open, according to Jaeger Precision (production units tuned slightly lower)

To give the Allen key a clear path, trim the section of the nozzle return spring that blocks the front adjustment port; this is a normal step when fitting this valve. Fitting is internal work, so if you are less experienced, we recommend having it installed by an airsoft technician. Jaeger Precision is preparing an installation and adjustment guide for its YouTube channel. Always check your MP7 on a chronograph after adjusting.

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