Radian Weapons' Ramjet barrel and Afterburner micro compensator for the Ruger RXM, finished in Grey. The Afterburner locks to the Ramjet with Radian's INTRA-LOK taper-lock system rather than a thread, so the compensator indexes itself and needs no thread locker, shims or set screws. Features: Up to 44% recoil reduction with the Ramjet barrel and Afterburner compensator combined (115 grain ammunition) Afterburner micro compensator: 0.47 inch long, hardened 17-4 stainless steel Ramjet barrel: hardened 416R stainless steel, match-grade cut rifling, fluted INTRA-LOK taper-lock interface - no Loctite, shims or set screws required Gas sealing chamber Angled front faces to aid holstering Fitment: Ruger RXM pistols. Sold as a matched barrel and compensator set.