The YHM rifle thread protector in 1/2×28 with a 0.635-inch outside diameter (Yankee Hill Machine part no. YHM-3412-B) keeps the threads on your barrel from taking damage when no muzzle device is installed. It is a steel protector with a black plated finish, made in the USA. The 0.635-inch outside diameter is the slimmest of the 1/2×28 sizes Yankee Hill makes. Thread it on when you pull a flash hider or brake for cleaning, and the muzzle threads stay clean and straight until the next device goes on.

Key Specifications

• The thread size is 1/2×28, the common pitch on 5.56mm rifle barrels.
• The outside diameter is 0.635 inch, the slimmest of the 1/2×28 sizes Yankee Hill offers.
• The finish is black plated, which resists wear and matches a dark rifle.
• The material is steel, a hard metal that protects soft muzzle threads.
• It is intended for rifle barrels when a muzzle device is not installed.
• It is made in the USA by Yankee Hill Machine.

Frequently Asked Questions

What does a thread protector do? Yankee Hill makes these steel protectors to prevent damage to the threads of your rifle barrel when a muzzle device is not installed.

Does it come in other sizes? Yes. Yankee Hill lists 1/2×28 protectors in 0.920, 0.720 and 0.635-inch outside diameters, and 5/8×24 protectors in 0.920 and 0.720 inch, in stainless or black. This listing is the 1/2×28, 0.635-inch black plated version.

Buy the YHM Rifle Thread Protector, 1/2×28, 0.635-Inch OD, Black Plated

A thread protector costs little and saves a barrel from a dinged thread. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and see more from Yankee Hill Machine in our suppressor parts and accessories.