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PolarStar MRS Regulator | Modular Regulator | w/o Line
The PolarStar Airsoft Modular Regulator System (MRS) is an ultra compact regulator that stands 3 inches tall and utilizes built in threads to connect to your HPA tank. Simply screw in your tank and go! This eliminates the need for an external UFA, which saves a ton of space and allows this reg...
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