Description
If you already own an XD-M chambered in .45 ACP and want to add a threaded barrel, Springfield Armory delivers exactly what you need with this factory part. It's a straightforward drop-in replacement that pairs perfectly with your existing pistol and requires no special fitting or modifications. The barrel measures 5.28 inches overall with the included thread protector, giving you the full length needed for common muzzle devices without adapters.
Melonite Finish and Durability
The barrel comes with a black Melonite finish that mirrors the factory finish on XD-M and XD-M Elite slides. Melonite provides genuine rust resistance and reduces friction, keeping the action running smooth through extended range sessions and various storage conditions. The barrel is hammer-forged steel with a 1:16 twist rate, offering the same quality you'd expect from Springfield's factory ammunition. A polished feed ramp ensures reliable round-to-round feeding without any reliability headaches.
Thread Pattern and Accessory Compatibility
The threading is cut at .578" x 28 TPI, which is the standard for .45 ACP suppressors and muzzle devices. Your barrel won't need any adapters or spacers to mount common cans. The kit includes two protective muzzle caps so you can safely handle and store the threaded muzzle when you're running the gun unsuppressed. The caps keep dirt and dings off the threads.
Fits Any 4.5-Inch XD-M Configuration
This barrel works with any 4.5" XD-M or XD-M Elite pistol in .45 ACP, regardless of other specifications or finish variations. It's a genuine factory replacement part manufactured in the same facility as your original barrel, ensuring perfect fitment and zero guesswork about compatibility.
Key Specifications
- Manufacturer: Springfield Armory
- Model: XD-M
- Caliber: .45 ACP
- Barrel Length: 5.28 inches with thread protector
- Thread Pattern: .578" x 28 TPI
- Twist Rate: 1:16
- Finish: Black Melonite
- Barrel Material: Hammer-forged steel
- Compatibility: 4.5" XD-M and XD-M Elite pistols
- MPN: XDM4501TB-KIT
- UPC: 706397962913
- Barrel Weight: 3.66 oz
- Installation: Drop-in replacement
- Includes: Barrel and muzzle caps
What’s Included
- Threaded barrel
- Two muzzle protective caps
Frequently Asked Questions
Will this barrel fit my XD-M pistol?
Yes, as long as you have a 4.5" XD-M or XD-M Elite chambered in .45 ACP. It's a true factory drop-in replacement that works with all standard configurations. Just remove your original barrel and drop this one in—no special tools or fitting required.
What kind of suppressors are compatible with the .578×28 threading?
The .578" x 28 thread pitch is the standard for .45 ACP suppressors. Common models from manufacturers like SilencerCo, Dead Air, and Rugged Suppressors are all fully compatible. You won't need any adapters or spacers.
Why does the barrel come with muzzle caps?
The caps protect the threads when you're shooting without a suppressor. This prevents dirt, dust, and minor dings from accumulating on the barrel threads, keeping them clean and damage-free for when you do attach a suppressor.
What's the difference between the Melonite finish and standard blued steel?
Melonite is a nitriding process that creates a harder, more corrosion-resistant surface than traditional bluing. It also reduces friction in the chamber, which helps with reliability and bolt thrust management. The finish matches the factory XD-M slide perfectly.




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