Springfield XD-M .45 ACP 4.5" Threaded Barrel Kit Black - XDM4501TB-KIT

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Springfield XD-M .45 ACP 4.5" Threaded Barrel - SKU: XDM4501TB-KIT - UPC: 706397962913

Product Description

The Springfield Armory XDM4501TB-KIT is a factory OEM 4.5-inch threaded barrel assembly engineered specifically for full-size Springfield XD-M handguns chambered in .45 ACP. Designed as a direct drop-in performance upgrade, this barrel enables operators to quickly convert their standard .45 ACP platform to accept suppressors, muzzle brakes, or linear compensators without requiring custom gunsmithing or permanent slide alterations.

Precision-broached from high-grade forged steel, the barrel is treated with a deep-penetrating black Melonite finish. This advanced surface treatment delivers extreme surface hardness, exceptional corrosion resistance, and self-lubricating properties capable of withstanding heavy cycling schedules and friction under rapid fire. Threaded in the industry-standard .578x28 TPI pitch, the muzzle interface guarantees concentric bore alignment to prevent baffle strike hazards when running pistol suppressors.

This factory upgrade kit includes a knurled thread protector cap to shield the precision-machined muzzle threads from impact damage, burrs, and debris when operating without a muzzle device installed.

*Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Springfield XD-M .45 ACP full-size models with standard 4.5" slide configurations. (WILL NOT FIT XD-M Elite models, standard XD models, XD-S models, or 9mm/.40 S&W/10mm variants).

1. Verify host firearm is completely unloaded, magazine removed, and chamber visually and physically confirmed clear.
2. Field strip the handgun by locking the slide rearward, rotating the takedown lever, and removing the slide assembly from the frame.
3. Remove factory recoil spring assembly and standard barrel from the slide pocket.
4. Insert the XDM4501TB-KIT threaded barrel into the slide, verifying proper lockup against the breech face.
5. Reinstall recoil spring assembly, attach slide to frame, and hand-tighten the thread protector onto the .578x28 muzzle threads. Apply high-temp grease to threads if attaching a suppressor.

Key Features

• Factory OEM Precision Fit: Drop-in replacement barrel manufactured to exact Springfield factory tolerances for flawless mechanical lockup.
• Melonite Surface Protection: Deep-penetrating black Melonite finish provides extreme wear resistance, hardness, and corrosion defense.
• Standard .578x28 Thread Pitch: Accommodates standard .45 ACP sound suppressors, muzzle brakes, and linear compensators.
• Forged Steel Construction: Built to withstand heavy recoil impulses and sustained thermal stress under rapid-fire conditions.
• Included Thread Protector: Protects exposed muzzle threads from field impacts, burrs, and foreign debris.

Product Specifications

• Brand: Springfield Armory
• MPN: XDM4501TB-KIT
• UPC: 706397962913
• Caliber: .45 ACP
• Barrel Length: 4.5 Inches (Extended Threaded Length)
• Thread Pitch: .578x28 TPI
• Finish: Black Melonite
• Material: Forged Steel
• Platform Compatibility: Springfield XD-M .45 ACP Full-Size 4.5" Models