Yankee Hill Machine YHM-3411-B | 1/2×28 Thread Protector

The Yankee Hill Machine YHM-3411-B is a steel thread protector designed for .22/5.56 applications with 1/2×28 threads. It features a matte black finish and a .730 inch outer diameter, providing a low-profile cap that helps prevent damage to barrel threads when no muzzle device is installed. The unit installs on compatible threaded barrels and is intended for routine transport and storage or range use where a muzzle device is removed.

Product Specifications

• The product type is Thread Protector.
• The manufacturer is Yankee Hill Machine.
• The manufacturer’s part number is YHM-3411-B.
• The caliber compatibility listed is .22/5.56.
• The thread pattern is 1/2×28.
• The outer diameter is .730 inches.
• The finish is Matte.
• The color is Black.
• The material is Steel.
• The intended function is to protect barrel threads when a muzzle device is not installed.
• The product is suitable for transport and storage and for use at the range.
• The UPC is 816701013894.

Durable and purpose-built, the YHM-3411-B provides a straightforward, reliable solution for preserving threaded muzzle surfaces between devices. Its steel construction and matte finish offer a balance of toughness and low visibility, making it a practical accessory for shooters who prioritize thread preservation and a clean muzzle interface.