This NPAS kit by RA Tech is designed for the Tokyo Marui MWS GBB Airsoft rifle series. CNC machined using high-quality aluminum alloy and topped off with a durable anodized finish, this NPAS valve allows the end user to easily adjust the gas output with the included key, making it a flexible upgrade to have. It is a simple drop-in installation and does not require modifications to ensure proper fitment.
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