The Ruger RXM brought a modular fire-control chassis to the proven Glock G19 Gen 3 footprint. Whether you run a factory Ruger RXM or a Glock G19 Gen 3 frame, the FDEZ WERX RXM / G19 Slide and RXM Compact / G19 Gen 3 Ported Barrel are engineered together as a drop-in recoil-mitigation package. 1. Cr …