Action Army VSR-10 Hop up Chamber
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Action Army VSR-10 Hop Up Chamber. Upgrade your stock chamber with this CNC machined unit. Fits Tokyo Marui VSR-10 sniper rifles, Echo 1 PSR, clone guns, JG BAR-10, etc. The Action Army Hopup Chamber is a must-have for VSR sniper rifle users. Its easy installation and simple operation is a breeze compared to the PDI system. Highly recommended for custom rifles!