Description
The Springfield Armory XDM5003C is an OEM polymer sleeve designed specifically for owners of XD-M Compact pistols running the #3 backstrap. It solves a real problem: you want the magazine capacity of a full-size XD-M magazine in your compact pistol, but you don't want an awkward gap between the magazine base and your grip. This sleeve bridges that gap perfectly, letting you run full-size 9mm or 40 S&W magazines without any exposed magazine body below the frame.
How the XDM5003C Backstrap Sleeve Works
The sleeve simply slides over your full-size magazine, filling in the space between the extended base plate and your pistol's grip. The result is a seamless, single-piece appearance that looks like your gun was designed to carry those higher-capacity magazines in the first place. Better yet, this is pure Springfield Armory factory engineering, so you're getting genuine OEM parts that are made to the same standards as the pistol itself.
Backstrap Compatibility and Installation
This sleeve is made specifically for the #3 backstrap on XD-M Compact models with a 3.8-inch barrel. Getting the right size matters. If you're running a different backstrap, you'll want to grab the corresponding sleeve (Springfield makes them for backstraps #1 and #2 as well). The sleeve doesn't extend the magazine length at all, keeping your overall profile low and concealable.
Built to Last
It's a simple, one-piece polymer design that won't wear out or develop problems. No moving parts, no bells and whistles. Just solid Springfield Armory engineering that does exactly what it's supposed to do.
Key Specifications
- Manufacturer: Springfield Armory
- Model Number: XDM5003C
- UPC: 706397888336
- Backstrap Size: #3 (Wide)
- Compatible Calibers: 9mm Luger, 40 S&W
- Compatible Pistol Model: XD-M Compact 3.8 inch barrel
- Magazine Type: Full-size XD-M magazines
- Material: Polymer
- Color: Black
- Design: One-piece
- Magazine Extension Type: Extends magazine capacity support for compact frame
What’s Included
- Springfield Armory XDM5003C backstrap #3 sleeve
Frequently Asked Questions
What backstrap do I need for the XDM5003C sleeve?
This sleeve is designed specifically for XD-M Compact pistols with backstrap #3 installed. Using it with a different backstrap won't fit correctly. If you have backstrap #1 or #2, Springfield makes corresponding sleeves for those.
Will the XDM5003C sleeve work with any full-size XD-M magazines?
Yes, it works with any full-size XD-M magazine in 9mm or 40 S&W. The sleeve lets your compact frame accept the higher-capacity magazines without any gaps between the mag base and your grip.
Does the sleeve extend the length of the magazine?
No. The sleeve fits over the magazine base and fills the gap between the extended magazine and your frame, but it doesn't make the overall magazine any longer. Your compact pistol profile stays the same.
Is this an OEM Springfield Armory part?
Yes. This is genuine factory OEM equipment made by Springfield Armory to the same standards as the pistol itself. It's not an aftermarket alternative, so you know it's engineered to fit and function properly with your XD-M Compact.





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