Glock G21 Threaded Barrel 4.49in .45 ACP M16x1LH

Description

This is an OEM replacement threaded barrel for the GLOCK 21 chambered in .45 ACP. The barrel is finished in black steel and features metric M16x1LH threads with a metal thread protector. It provides a compact threaded solution that supports use with a compensator or a thread protector while remaining suitable for practical carry or duty use.

Key Specifications

• The barrel is chambered for .45 ACP.
• The barrel measures 4.49 inches in overall length.
• This is a threaded barrel fitted with M16x1LH (metric left-hand) threads.
• The barrel includes a metal thread protector for thread protection during standard carry or storage.
• The finish is black.
• Construction is specified as steel in the product name.
• Designed for the GLOCK 21 pistol platform.
• OEM Glock replacement part intended for direct service use.

This threaded OEM barrel offers a straightforward, factory-compatible option for GLOCK 21 owners who want a compact, threaded solution in .45 ACP. Its M16x1LH threads and protective cap make it practical for installations requiring a compensator or a thread protector, and the black steel finish maintains a conservative, service-oriented appearance. Reliable fit and factory-level workmanship make this a practical choice for owners looking to replace or upgrade their G21 barrel without changing overall ergonomics.

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