Out of stock
SKU: SSSGK-MRP-NIT
UPC: 810120314907
MPN: SGK-MRP-NIT
The Shadow Systems Performance Barrel & Compensator Assembly is a direct upgrade for owners of the MR920P and XR920P pistols who want flatter recoil without leaving their existing holster setup behind. Built around a 4.2-inch 9mm barrel and an all-steel compensator, this kit ships complete with the barrel, compensator assembly, and an updated guide rod so the swap is a self-contained job. It's aimed at shooters running these pistols hard in competition or daily carry who want to cut muzzle rise and keep the sights flatter through a string. Browse our full lineup of compensators for other platforms.
The compensator is machined from steel and nitride coated for corrosion and wear resistance, matching the finish of the barrel for a uniform black look. Shadow Systems uses a Tri-Lug proprietary attachment to mate the comp to the barrel, keeping the system locked in place under recoil. The design is spatially efficient by intent: the comp adds only about half an inch to overall length, which means a compensated MR/XR920P still drops into holsters cut for the Glock 17. The included updated guide rod is part of the package because the compensator changes the slide-and-spring dynamics, and Shadow Systems specs the rod to keep cycling reliable. Per manufacturer specifications, the barrel and comp are sold as a matched assembly rather than mix-and-match parts. See more threaded and performance pistol barrels in our catalog.
This kit makes the most sense for an MR920P or XR920P owner who already trusts the pistol and wants to tune it for faster follow-up shots. Because the compensated package keeps the Glock 17 holster footprint, it works for duty, range, and competition use without forcing a new rig. Installation is a barrel and guide rod swap on the existing slide, so there's no permanent modification to the frame. Confirm your pistol is an MR920P or XR920P variant before ordering, since the assembly is built for that compensated cut. Pair it with one of our thread protectors or explore the wider barrels and choke tubes selection.
This assembly is built for the Shadow Systems MR920P and XR920P compensated pistols. It is not a universal compensator and is designed to mate with those specific models using the Tri-Lug proprietary attachment. Confirm your pistol is an MR/XR920P variant before ordering.
Yes, in most cases. The compensator adds only about half an inch to overall length and was designed to be spatially efficient, so a compensated MR/XR920P fits holsters cut for the Glock 17. Verify fit with your specific holster, since cut and retention vary by maker.
The kit includes the 4.2-inch 9mm barrel, the all-steel compensator assembly, and an updated guide rod. The guide rod is included because the compensator changes recoil and cycling dynamics, and Shadow Systems specs the rod to keep the pistol running reliably.
Both the barrel and compensator are steel and nitride coated. The nitride finish adds corrosion and wear resistance and gives the assembly a uniform black appearance that matches Shadow Systems slides and barrels.
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