Description
Using extended magazines on your XD-M Compact .45 ACP gives you more rounds downrange, but leaves an awkward gap between the magazine base and your grip. This Springfield Armory backstrap sleeve solves that problem by filling in that space, delivering the kind of one-piece grip feel you get from a full-size gun.
What This Backstrap Sleeve Does
It's a simple concept executed well. The single-piece polymer construction slides over your extended magazine, aligning with the #3 backstrap already installed on your pistol. That gap that normally exists between the extended magazine base plate and the grip frame just disappears. Your hand now has a continuous surface from the rear of the frame all the way down to the magazine base, which improves control and makes the gun feel like a proper full-size platform when you're running those extra-capacity magazines.
Why You Need This for High-Capacity Magazines
Compact pistols are built tight. When you pair your XD-M Compact with extended magazines to boost your round count, you sacrifice some ergonomics if you don't address that gap. Without the sleeve, the magazine base extends below the grip frame, which creates a break in contact between your hand and the gun. This backstrap sleeve restores that contact and makes the gun sit in your hand like it was designed to work that way from the factory.
Material and Durability
Springfield built this from polymer, keeping weight minimal while maintaining durability. The fit is tight and secure on the magazine, and the sleeve won't shift around during shooting. It's designed to work specifically with your XD-M Compact 3.8-inch barrel using extended magazines paired with backstrap #3.
Key Specifications
- Manufacturer: Springfield Armory
- Model Number: XD45383
- UPC: 706397891626
- Caliber: .45 ACP
- Firearm Fit: Springfield XD-M Compact
- Barrel Length: 3.8 inches
- Backstrap Size: #3
- Material: Polymer
- Finish: Black
- Design: Single-piece
What’s Included
- One Springfield Armory XD45383 backstrap sleeve
Frequently Asked Questions
Will this XD45383 backstrap sleeve work with my standard-capacity magazines?
No, this sleeve is specifically designed for extended magazines on your XD-M Compact. It fills the gap that extended magazines create when you want that extra round count. Standard magazines sit flush with or within your grip frame, so you won't need a sleeve for those.
Do I need to modify my gun to install this backstrap sleeve?
No modifications needed. The sleeve slides onto your extended magazine and sits between the magazine base and your grip frame. It's a straightforward fit with no installation tools required. Just make sure you're using the #3 backstrap that it's designed for.
Can I use this sleeve with magazines from other manufacturers?
This sleeve is designed to work with Springfield extended magazines for the XD-M Compact .45 ACP platform. While it may fit other extended .45 ACP magazines, Springfield manufactures this specifically for their own magazine geometry, so compatibility with third-party magazines isn't guaranteed.
Does the backstrap sleeve add extra magazine capacity?
No, the sleeve doesn't add rounds to your magazine. It's purely ergonomic. It fills the gap between an extended magazine base plate and your grip to create that seamless one-piece feel without increasing how many rounds you can load.





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