M4 M16 BUFFER TUBE W/ MARKING FOR AEG RETRACTABLE STOCKS CYTAC A quick change spring system

A quick change spring system allows you to easily customize the fps/m/s of the gun to your specific needs

Lever ActionBB: 6mm Airsoft bb

these rifles come in three different sizes to suit whatever situation you find yourself in

Product Details

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M4 M16 BUFFER TUBE W/ MARKING FOR AEG RETRACTABLE STOCKS CYTAC A quick change spring systemEver wonder why most AEG stocks have a hole on top but most AEG stock buffer tubes don't have any markings on them. We got your problem solved with this buffer tube with marking! Features: Pre Cut slit on stock for Crane stock wires. Fits all Marui Classic Army Matrix G&P G&G JG compatible M4 M16 Series Airsoft AEG. Full metal construction. Universal design fits all M4 M16 Airsoft AEG applications. Material: High Grade Aluminum Steel. Manufacture: