Yankee Hill Machine YHM-3426-B | .578×28 Thread Protector | .45 Cal

The Yankee Hill Machine YHM-3426-B is a steel thread protector designed to prevent damage to pistol barrel threads when a muzzle device is not installed. It is finished in matte black and is listed for .45 caliber use. The unit is specified for .578×28 threads and shows a listed outside diameter of .650 OD.

Use cases include protecting barrel threads during storage or transport and serving as a temporary cover while switching muzzle devices at the range or during maintenance.

Product Specifications

• The manufacturer is listed as Yankee Hill Machine.
• The manufacturer part number is YHM-3426-B.
• The product type is classified as a Thread Protector.
• The applicable thread is specified as .578×28.
• The item is listed for 0.45 Caliber use.
• The outside diameter is listed as .650 OD.
• The finish is described as Matte.
• The color is specified as Black.
• The construction material is steel.
• The intended installation is for pistol barrel threads.
• The catalog category is Class 3 Parts & Accessories.
• The subcategory is Muzzle Devices.
• The UPC is 816701014181.

Compact and purposeful, the YHM YHM-3426-B thread protector offers a straightforward solution for protecting exposed pistol threads. Its steel construction and matte finish make it a low-profile, durable choice for shooters who regularly remove or change muzzle devices and want reliable protection during storage, transport, or maintenance.