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When it comes to spare magazines, factory is always the right call. This is Springfield Armory's own OEM replacement mag for the XD-M Compact 3.8 chambered in .40 S&W, part number XDM5021. It drops right in the way the original does, because it is the original, built on the same tooling to the same tolerances as the mag that came with your pistol.
The body is heat-treated stainless steel with a natural polished finish that is genuinely smooth, which helps with both insertion speed and drop-free drops on a reload. That polish is not just cosmetic. It reduces drag during tactical reloads and makes the mag noticeably easier to seat cleanly. Inside, a high-tensile steel spring and molded polymer follower keep rounds feeding consistently. The numbered witness holes on the side give you a quick visual round count without having to guess.
The flush-fit design is the right choice for anyone carrying the XD-M Compact. There are no extensions sticking out to snag, and the profile stays clean under a cover garment. The polymer baseplate is removable for field cleaning, which matters if you actually run your gear instead of just storing it.
This is a single magazine. It is the right pick for XD-M Compact 3.8 owners who want a reliable backup without rolling the dice on an aftermarket option. Spring stiffness is normal out of the box and loosens up with use, which is standard for any quality mag spring.
Yes, the XDM5021 is the factory OEM magazine made specifically for the XD-M Compact 3.8 platform in .40 S&W. It is built to Springfield's exact specifications and will fit and function the same as the magazine that shipped with your pistol. Just confirm you have the XD-M Compact model, not the full-size or the OSP variant, as those use different magazines.
This is a 100% genuine OEM magazine made by Springfield Armory, not a third-party or aftermarket product. It carries part number XDM5021 and is manufactured to the same tolerances as the factory-issued magazine. When reliability matters, sticking with the factory option is always the smart move.
Completely normal. Factory magazine springs are intentionally stiff when new to ensure proper tension over a long service life. They will loosen up and smooth out with regular use and loading cycles. You can also do a few load and unload cycles without shooting to help break it in.
Yes, the flush baseplate keeps the magazine sitting flush with the grip when seated, which is exactly what you want for concealed carry. There are no protrusions to snag on a holster or cover garment. If you prefer a bit more purchase for your pinky finger, aftermarket extended baseplates from brands like Pearce are a popular and compatible upgrade.
No, the XDM5021 is sized for the compact frame and will not work in the full-size XD-M. The full-size model uses a longer magazine with a higher capacity. Always match the magazine to the specific model it was designed for to avoid feeding issues or fit problems.
| UPC | 706397888749 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | XDM5021 |
| Brand Fit | Springfield Armory |
| Caliber/Gauge | .40 S&W |
| Capacity | 11 |
| Model | |
| Model Fit | XD-M Compact |
| Product Type | Detachable |
| Quantity | 1 |
| Shipping Weight | 0.22 |
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