FAXON DIRECT THREAD HUB — 1/2x28 (17-4 PH) | FF-MD-SIL-HUB-5-28-01

Precision 17-4 PH stainless steel direct-thread HUB for 1/2x28 barrels. The Faxon Direct Thread Hub — 1/2x28 is CNC-machined from heat-treated 17-4 PH stainless steel to deliver outstanding durability, excellent corrosion resistance, and repeatable precision under the harshest conditions. Designed to connect HUB-compatible suppressors directly to metric-threaded barrels, this robust mount provides a rock-solid, perfectly concentric interface for demanding rifle applications.

Featuring 1/2x28 internal threads to fit 5.56 NATO, .223 Remington, 9mm, and other barrels and 1.375×24 UNS (HUB) external threads for suppressor attachment, this hub offers broad industry compatibility. It’s fully compatible with Faxon Barrels and Faxon HARMONIX® and CORESYNC® suppressors, as well as most other HUB-mount suppressors on the market. Each unit is CNC-machined, deburred, nitrided, and inspected in-house at Faxon Firearms’ Cincinnati, Ohio facility for a perfect fit and finish.

Key Features

• Material: 17-4 PH (Precipitation-Hardened) Stainless Steel
• Internal Threads: 1/2x28 (standard for 5.56 NATO & .223 Remington barrels)
• External Threads: 1.375×24 UNS (HUB mount standard)
• Compatibility: Faxon Barrels, HARMONIX®, CORESYNC®, and most HUB mount suppressors
• Finish: Black Nitride — wear-resistant, low-friction, enhanced corrosion protection
• Origin: Made in the USA — Faxon Firearms, Cincinnati, OH

Why Choose the Faxon 1/2x28 Direct Thread Hub?

This hub gives shooters an extremely tough and reliable direct-thread connection between threaded rifles and HUB-mount suppressors without additional adapters. 17-4 PH stainless steel delivers superior strength, exceptional wear resistance, and proven performance in high-heat, high-pressure environments while maintaining perfect alignment and repeatability.

Benefits

• Extreme durability: 17-4 PH stainless steel is renowned for withstanding heavy use and abuse.
• Superior corrosion resistance: Nitride finish plus inherent stainless properties protect against rust and harsh environments.
• High heat tolerance: Maintains strength and hardness even after prolonged full-auto or magnum fire.
• Universal compatibility: Pairs with most HUB mount suppressors and 1/2x28 barrels.

Technical Specifications

Important Notes

• Warranty Notice: Some suppressor manufacturers may not cover their warranty when third-party mounts or adapters are used. Always check with your suppressor manufacturer before installation.

Notice: HARMONIX® and CORESYNC® are Faxon Firearms brands.
Disclaimer: Always confirm thread fit and compatibility before installation.