Viridian 9820031 RFX 44 Shield RMSc Mounting Adapter Black Anodized
http://www.tandktactical.com/shop/754003936483-viridian-9820031-rfx-44-shield-rmsc-mounting-adapter-black-anodized-40576
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Shield RMSc/ACRO Mounting Adapter Plate for RFX44 Closed Emitter Green Dot Sight.
