Alu Endcap for M4 lube With it's direct solenoid driven

With it's direct solenoid driven nozzle

Maxx hopup chamber: OK

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This is to ensure correct alignment when tightening the suppressor

CNC machined from durable aluminium and surface treated with gold and black anodize

Alu Endcap for M4 lube With it's direct solenoid drivenCNC Aluminium endcap for M4 The Airtac Customs USA CNC Aluminium endcap is specifically designed to fit G&G M4 lower receivers. It replaces the original stock to provide a nice, matching cover for the rear of the lower receiver. The endcap includes a bolt and screw to hold the spring guide inside the gearbox a vital function for AEGs. This endcap is especially good when combined with grip stock bottle HPA builds. Compatibility notes: Will fit most AEG