AAP-01 GBB Magazine Output Valve – Action Army

The Action Army Output Valve is a genuine replacement gas release valve for AAP-01 airsoft pistol magazines. It controls gas release from the magazine during the firing cycle and can be used to replace a worn or faulty valve.

Features and technical specifications

• Manufacturer: Action Army
• Model: AAP-01 Output Valve
• Manufacturer part number: U01-004
• Type: magazine gas output valve (knocker valve)
• Primary compatibility: GBB gas magazines for Action Army AAP-01 and AAP-01C
• Additional compatibility: reported for WE G17 gas magazines; compatibility must be checked against the specific magazine model
• Material: metal body with rubber sealing components
• Colour: Gold
• Approximate weight: 4 g
• AAP-01 exploded diagram reference: part no. 79
• Function: releases gas from the magazine when the valve is actuated

Package contents

• 1 Action Army U01-004 gas output valve

This valve replaces the magazine's gas release component and is not a gas filling valve. The version intended for CO2 magazines is a separate replacement part.

Installation requires knowledge of GBB systems and must be carried out with the magazine completely depressurised.