Tactical Solutions X-Ring VR Gen 2 Receiver, Semi-automatic, 22 LR, Matte Finish, Olive Drab Green XRA2-MOD The X-RING VR Gen 2 was developed to incorporate some of the desired features sought by their customer base. They approached this update with concept of modularity, creating a suite of in-house optional parts allowing the customer to configure their rifle to meet their shooting needs.