Description
Reaching a stock AR mag catch usually means shifting your grip and losing a beat. The Odin Works XMR3 fixes that with a wider, taller button that your trigger finger finds without thinking about it. It's the largest release Odin has built, inspired by their O2 Lite, and it drops a magazine free clean and fast whether you're running drills or working a stage on the clock.
What Sets the XMR3 Apart
The button is machined from billet 6061 aluminum and wears Odin's signature lightening cuts, which shave a touch of weight and add some grip texture where your finger lands. The whole assembly, paddle, button, and hardware included, tips the scale at right around a tenth of an ounce, so you get a real upgrade in feel without adding anything you'll notice on the rifle. The face is contoured for a positive press and less finger slip, and it's shaped so users with big or small hands can run it comfortably.
Fitment and Build Notes
The XMR3 works with standard AR-15 lowers and most AR-10 lowers that use a two-piece magazine catch. If you're building on an Aero M5 lower, you'll want to grab Odin's separate AR-10 add-on button to make it work. It also plays nice with KNS anti-walk pins and the Magpul B.A.D. Lever, so it fits right into a parts setup you've probably already got planned.
Dialing In the FDE Look
This one comes in Flat Dark Earth, a great match for tan and coyote builds or just to break up an all-black rifle. Install is about as simple as AR upgrades get and takes a few minutes with the included hex wrench. Swap out your factory catch, snug down the hardware, function check it, and you're back to running mags with a lot less hand movement.
Key Specifications
- Manufacturer: Odin Works
- Model: XMR3 (Gen III)
- Manufacturer Part Number: ACC-XMR3-FDE
- UPC: 857116007016
- Color: Flat Dark Earth (FDE)
- Material: 6061 Billet Aluminum
- Finish: Anodized
- Weight: 0.1 oz (paddle, button, and screws)
- Fitment: AR-15, AR-10 lowers with standard 2-piece magazine catch
- Compatibility: KNS anti-walk pins and Magpul B.A.D. Lever
- Design: Enlarged, contoured face with lightening cuts
What’s Included
- (1) XMR3 Extended Magazine Release paddle in FDE
- (1) Magazine button
- (2) Screws
- (1) Hex wrench
Frequently Asked Questions
Will the XMR3 fit both AR-15 and AR-10 lowers?
Yes, the XMR3 works with standard AR-15 lowers and most AR-10 lowers that use a two-piece magazine catch. One thing to note: if you're running an Aero M5 lower, you'll need Odin's separate AR-10 add-on button to complete the install. For most standard lowers, it drops right in.
Is the XMR3 compatible with anti-walk pins and a B.A.D. Lever?
It is. Odin designed the XMR3 to work with KNS anti-walk pins and the Magpul B.A.D. Lever, so it fits into a build with those parts already planned. That makes it an easy addition if you're piecing together a full control-package upgrade.
How hard is it to install the XMR3?
Install is straightforward and usually takes just a few minutes. You remove your factory magazine catch, install the XMR3 button and paddle with the included screws, and snug it down with the included hex wrench. Always do a function check afterward to confirm the magazine seats and releases properly.
How much bigger is the XMR3 compared to a stock mag release?
The XMR3 is the largest release Odin Works makes, with a noticeably wider and taller face than a factory catch. That bigger surface area is the whole point, since it lets your finger find and press the button without shifting your grip. It's a favorite for folks who find stock releases too small to run comfortably.





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