Description:
Will fit Western Arms M4 with Prime Metal Body. It is longer than WA type.
Can adjustable the power.
Material: Steel & Aluminum
Note: When your gun was installed this part, it don't need RA TECH WA#3 Flute Valve .
When you install this valve, you don't need to open the kit to tune the gun's power. Just use the key insert into the nozzle to finish it.
