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CNC machined from durable aluminium and surface treated with gold and black anodize
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1 x 4UAD Gear Grease pen
Alu Endcap for M4 lube CNC machined from durable aluminiumCNC 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
