This High Bullet Valve Hi Capa Series/M4A1 MWS/M1911/M45A1/FN5-7 inherits the features of its predecessor, boasting exceptional gas release characteristics with minimal loss in muzzle velocity. It includes a "variable mechanism" that allows users to adjust power manually, offering continuous adjustment from fully open to just before fully closed. When the valve is fully open, it delivers performance equivalent to or surpassing custom power-up valves.
 
Conversely, narrowing the valve's opening enhances velocity stability and efficiency, catering to shooters seeking consistent accuracy. Additionally, it supports noise reduction during operation and safeguards against damage under high temperatures and pressures, providing the best possible settings for various usage environments and conditions.
 
Compatible Models:
Tokyo Marui Gas Blowback pistols and gas rifles
Hi-CAPA 5.1
M1911A1
M.E.U
S70
M45A1
FN 5-7
Gas Blowback M4A1 MWS Rifle
Gas Blowback Type 89 Rifle
AM .45
 
Required Tool: Our "Valve Wrench"
 
Note: Forcing attachment or removal with a flathead screwdriver or similar tools may cause deformation or scratches on the valve, which could prevent the valve from achieving its intended performance!
 
Installation Instructions:
Release all gas remaining in the magazine, then use our "Valve Wrench NEO" to remove the standard valve.
 
Ensure that the O-ring from the standard valve is not left inside the magazine.
Apply silicone spray or similar lubricant designed for airguns to the moving parts and O-rings of this product.
 
Rotate and adjust the exhaust side parts so that the opening is always visible from the discharge port during assembly.
 
For detailed instructions on assembly and valve opening adjustment, refer to the included leaflet!
 
Dry fire a few shots, reapply silicone spray to the valve's moving parts, and you're done.
 
Additional Information:
For maintenance, applying silicone spray every 10-20 magazines can help maintain performance over time.
It is also recommended to apply silicone spray before long-term storage.