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The XD-M Compact .45 ACP is a great carry setup, but the moment you drop a full-size 13-round magazine into it, you end up with exposed magazine body sticking out below the grip. That gap looks unfinished and feels worse, especially under recoil from a .45. This X-Tension sleeve from Springfield Armory fixes it. The one-piece polymer sleeve slips over your extended magazine and fills the space between the base plate and the frame, so the whole thing feels like one continuous full-size grip instead of a compact pistol with a mag hanging out the bottom.
This is the factory part, which matters here more than you might think. Aftermarket grip sleeves for this platform tend to be one-size-fits-most, but Springfield builds these to match the backstrap contour of the XD-M, so the transition from frame to sleeve is smooth with no ledge or seam digging into your hand. This particular sleeve (part number XD45381) is shaped for the #1 backstrap, the narrowest of the three sizes that ship with the pistol. If you run the #2 or #3 backstrap on your gun, grab the matching sleeve instead so the profile lines up correctly.
Installation takes about a minute. The sleeve slides over the full-size magazine body and seats against the base plate, no tools or gunsmithing involved. It also works as a replacement if the sleeve that came with your compact's extended mag went missing, or if you picked up spare full-size XD-M .45 magazines and want them to feel right in the shorter frame.
For anyone carrying the XD-M Compact .45 with a 3.8 inch barrel and stocking up on extended mags, this is one of those small, cheap pieces of gear that makes a real difference at the range. Better grip, more rounds on board, and the gun still conceals the same with the flush mag in place.
This version (XD45381) is contoured to match the #1 backstrap, which is the narrow option. Springfield makes separate sleeves sized for the #2 and #3 backstraps so the grip profile stays consistent from frame to sleeve. Check which backstrap is installed on your pistol before ordering and pick the matching number.
No, it does not change capacity at all. It is purely a grip filler that covers the exposed portion of a full-size 13-round XD-M .45 magazine when it is inserted into the shorter Compact frame. The extra capacity comes from the full-size magazine itself, and the sleeve just makes it comfortable to hold.
It slides right over the body of a full-size XD-M .45 ACP magazine and seats against the base plate, creating a continuous grip surface once the mag is locked into the pistol. No tools are needed and it takes well under a minute. It also comes off just as easily if you want to move it to another magazine.
No, this sleeve is dimensioned for the .45 ACP magazine body, which is wider than the 9mm/.40 mags. Springfield makes a separate X-Tension sleeve specifically for the 9mm and .40 S&W XD-M 3.8 inch Compact models. Make sure you match the sleeve to your caliber.
Yes, that is exactly what it is for. Slip the sleeve onto a standard full-size XD-M .45 ACP magazine and it will function as an extended mag for the 3.8 inch Compact with a proper full-hand grip. It is also a direct replacement if you lost the sleeve that originally came with your pistol's extended magazine.
When paired with the correct backstrap size, the sleeve sits snug against the base plate and frame with no noticeable play. It is a rigid one-piece polymer part rather than a soft rubber slip-on, so it holds its position under recoil. Owners report the fit is solid and it does the job as intended.
| UPC | 706397891602 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | XD45381 |
| Brand Fit | Springfield Armory |
| Caliber/Gauge | .45 ACP |
| Capacity | XD(M) 45ACP 3.8" Barrel |
| Color | Black |
| Model | |
| Model Fit | XD-M Compact |
| Product Type | Magazine Grip Sleeve |
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