Description
The XD-M Compact is a purpose-built carry gun, and Springfield designed its magazine lineup to match that versatility. This factory OEM 19-round magazine in 9mm Luger is the extended-capacity option for XD-M and XD-M Elite Compact owners who want more rounds on tap without switching to a full-size pistol. The magazine body is constructed from stainless steel with a high tensile spring steel spring, a polymer follower, and a polymer base plate, all built to the same specs as the magazine that came with your pistol.
What makes this specific model (XDM50191) different from just a standard 19-round XD-M mag is the included X-Tension sleeve. When the extended magazine is seated in your compact grip, there's a natural gap between the grip frame and the magazine's base plate. The black polymer X-Tension sleeve slides over the magazine body and fills that gap flush, giving you a solid, uninterrupted grip surface from top to bottom. This particular sleeve is sized for Backstrap #1 (the small backstrap), so the contours line up correctly with your installed grip panel. If your pistol is currently wearing Backstrap #2 or #3, you'd want the corresponding sleeve number to get a proper match.
For XD-M Elite Compact owners, note that the magwell may need to be removed for proper fitment with the sleeve installed. The backstrap itself is not included with this magazine, only the sleeve.
This is a straightforward upgrade for range days where you want to run more rounds between reloads, or as a spare mag you keep loaded at home. Going from the compact's standard capacity up to 19 rounds while keeping the same factory reliability is a hard combination to beat.
Key Specifications
- Manufacturer Part Number: XDM50191
- UPC: 706397888558
- Caliber: 9mm Luger
- Capacity: 19 Rounds
- Fits: Springfield Armory XD-M Compact, XD-M Elite Compact (9mm)
- Body Material: Stainless Steel
- Spring Material: High Tensile Spring Steel
- Follower Material: Polymer
- Follower Color: Black
- Base Plate Material: Polymer
- Finish: Stainless
- Included Sleeve: Black X-Tension Sleeve #1 (for use with Backstrap #1)
- Brand: Springfield Armory
- Product Type: Extended / High Capacity
What’s Included
- Springfield Armory XD-M Compact 9mm 19-round stainless steel magazine
- Black polymer X-Tension sleeve #1 (for use with Backstrap #1)
Frequently Asked Questions
Which backstrap does this magazine's sleeve work with?
The XDM50191 ships with the X-Tension sleeve sized for Backstrap #1, which is the small backstrap option in the XD-M's interchangeable grip system. For the sleeve to align flush with your grip frame, your pistol needs to have Backstrap #1 installed. If you're running Backstrap #2 or #3, look for the corresponding XDM50192 or XDM50193 instead.
Will this magazine work in the XD-M Elite Compact?
Yes, this magazine is compatible with both the standard XD-M Compact and the XD-M Elite Compact in 9mm. One thing to be aware of with the Elite Compact is that the magwell may need to be removed for the magazine with sleeve to seat and fit properly. Also worth noting: current production XD-M Elite Compact pistols often ship from the factory with Backstrap #2 installed, so double-check which backstrap is on your gun before ordering.
Do I need the X-Tension sleeve, or can I just run the magazine without it?
The magazine will feed and function without the sleeve, but there will be a gap between the bottom of your grip frame and the magazine's base plate. The X-Tension sleeve fills that gap and gives you a continuous, solid grip surface. For range use it's largely a comfort and ergonomics issue, but for carry or defensive use most people prefer the sleeve installed for a more secure and natural grip.
Is this a factory Springfield Armory magazine or an aftermarket product?
This is a genuine OEM factory Springfield Armory magazine, manufactured to the same specifications as the magazine your pistol shipped with. It's not an aftermarket or third-party product. Factory mags are generally the most reliable choice since they're made to exact tolerances for the platform.
Does the backstrap come included with this magazine?
No, the backstrap itself is not included. This package contains the 19-round stainless steel magazine and the X-Tension sleeve for Backstrap #1. The interchangeable backstraps for the XD-M Compact are sold separately by Springfield Armory if you need to swap or replace one.





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