Description
The XD Sub-Compact is a capable little pistol, but anyone who's shot one with the flush mag knows the pinky-hang problem. This is Springfield Armory's answer to that: a 12-round extended magazine with an OD Green X-Tension sleeve that ships already on the mag, ready to go. It's the same factory-made, OEM magazine Springfield built the gun around, produced to the same specs as the magazine that came in the box.
The body is stainless steel with a clean silver finish, paired with a high-tensile steel internal spring and polymer follower for consistent, reliable feeding. The polymer baseplate is impact-resistant and fits the gun's profile cleanly. Where this setup really shines is in how the X-Tension sleeve works: it slides over the extended magazine body and fills in the gap between the bottom of your grip frame and the base of the mag. The result is a comfortable, full-length grip on a gun that, with the flush mag, barely gives you room for three fingers. It's a meaningful upgrade in control and comfort without adding bulk you don't need.
This mag is compatible with both the original XD Sub-Compact and the XD Mod.2 Sub-Compact in .40 S&W, so if you've got either generation on your hip or in your range bag, you're covered. Both the magazine body and the X-Tension sleeve carry Springfield Armory markings, so you know what you're getting isn't some aftermarket approximation.
Whether you're running this as a range magazine, a backup to your carry setup, or just filling out your spare mag collection, the XD0934 is the OD Green variant for those who want a little personality alongside their reliability.
Key Specifications
- Manufacturer Part Number (MPN): XD0934
- UPC: 706397862022
- Caliber: .40 S&W
- Capacity: 12 Rounds
- Magazine Type: Extended
- Body Material: Stainless Steel
- Body Finish: Silver (Stainless)
- Internal Spring Material: High-Tensile Steel
- Follower Material: Polymer
- Baseplate Material: Impact-Resistant Polymer
- X-Tension Sleeve Color: OD Green
- Compatible Models: Springfield Armory XD Sub-Compact and XD Mod.2 Sub-Compact (.40 S&W)
- Brand: Springfield Armory
- Shipping Weight: 0.225 lbs
What’s Included
- 1x Springfield Armory XD Sub-Compact 12-round .40 S&W stainless steel magazine
- 1x OD Green X-Tension grip sleeve (pre-installed on magazine)
Frequently Asked Questions
Will this magazine fit the XD Mod.2 Sub-Compact as well as the original XD Sub-Compact?
Yes, the XD0934 is compatible with both the original XD Sub-Compact and the XD Mod.2 Sub-Compact chambered in .40 S&W. Springfield Armory confirms this across their product line. Just make sure you're matching the caliber, as .40 S&W and 9mm magazines are not interchangeable between those platforms.
What does the OD Green X-Tension sleeve actually do?
The X-Tension sleeve slides down over the extended magazine body and fills the gap between the bottom of the grip frame and the base of the magazine. This gives you a full-hand grip on the pistol instead of the partial grip you get with a flush-fit mag. It also helps prevent the magazine from over-inserting into the frame, which can cause feeding issues when running an extended mag without a sleeve.
Is this a genuine Springfield Armory magazine or an aftermarket replacement?
This is a genuine OEM factory magazine made by Springfield Armory, produced to the same specifications as the magazines that ship with the gun. Both the magazine body and the X-Tension sleeve are stamped with Springfield Armory markings. It's not a third-party or ProMag-style replacement.
Can the OD Green X-Tension sleeve be removed or swapped out?
Yes, the sleeve slides on and off the magazine body, so it can be removed if needed. Springfield also sells the X-Tension sleeve separately in different colors if you want to swap to black or another finish. Keep in mind that running the extended magazine without the sleeve in a Sub-Compact can lead to instability or misalignment in the mag well.
How does the 12-round capacity compare to the standard flush magazine for the XD Sub-Compact .40 S&W?
The standard flush-fit magazine for the XD Sub-Compact in .40 S&W holds 9 rounds. This extended magazine with the X-Tension sleeve adds 3 rounds on top of that, bringing you to 12. The tradeoff is that the extended mag adds some length below the grip, making it less ideal for deep concealment but a great choice for the range or as a backup magazine.
What is the magazine body made of, and how durable is it?
The magazine body is stainless steel, which offers strong corrosion resistance and durability compared to aluminum or blued steel options. The internal spring is high-tensile steel, and the follower is polymer. This combination is what Springfield Armory uses across their XD magazine lineup and has a solid track record for feeding reliability.





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