The Apex Tactical Thread Protector in 9mm, black, 1/2×28 (brand part no. 105-011-B) screws onto the end of a threaded pistol barrel to protect the threads from damage. It is made for 9mm barrels with right-hand 1/2×28 threads and comes with an O-ring already installed. The finish is black Melonite, and an offset pentagon pattern gives it a distinctive look. A spare O-ring for non-Apex barrels is in the package.

Key Specifications

• The thread size is 1/2×28 right hand, the thread the 9mm options of this protector are cut for.
• It is made for 9mm threaded pistol barrels, as the 9mm options are cut for 1/2×28 threads.
• The finish is black Melonite, a hard surface treatment for the thread protector.
• An O-ring is pre-installed and captured in the protector, so it stays in place when the protector is removed.
• A second O-ring for non-Apex barrels is included in the package.
• The offset pentagon pattern gives the protector a distinctive look.
• It does not fit metric or left-hand threaded barrels, so check the thread callout before ordering.
• Apex notes this protector is already included with Apex threaded barrels, so it is meant as a spare or for other 1/2×28 barrels.
• Each package contains one thread protector.

Frequently Asked Questions

What threads does this protector fit? It fits 9mm pistol barrels with right-hand 1/2×28 threads. It does not fit metric or left-hand threads.

Does it come with an O-ring? Yes. An O-ring is pre-installed, and a second O-ring for non-Apex barrels is also included.

Do I need it if I buy an Apex threaded barrel? Apex notes that a thread protector is already included with its threaded barrels, so this one works as a spare or for another 1/2×28 barrel.

Buy the Apex Tactical Thread Protector, 9mm, Black, 1/2×28

A thread protector keeps a threaded 9mm barrel clean and undamaged when no muzzle device is mounted. Order this black 1/2×28 version from our Lubbock, Texas gun shop for fast, insured shipping, and see more handgun barrels.