JK ARMAMENT | JK155HDM57828 | HD Direct Thread Mount | .578×28

The JK Armament HD direct thread mount provides a direct-thread interface for suppressors on barrels with factory muzzle threads. It is finished in Cerakote black over stainless steel construction and is designed to work with the JK 155 family of suppressors. Typical applications include range training and suppressor-equipped precision/target shooting where a direct-thread mounting system is preferred.

Product Specifications

• The manufacturer is JK ARMAMENT.
• The model is HD.
• The manufacturer part number is JK155HDM57828.
• The finish is Cerakote Black.
• The construction material is stainless steel.
• The firearm-side thread size is .578×28.
• The suppressor-side thread pitch is HUB 1.37524 TPI (1-3/824 TPI).
• This mount fits all JK 155 suppressors and dozens of suppressors from other manufacturers as noted by the maker.
• The product is intended for direct-thread suppressor mounting.
• The UPC is 850017729636.

This direct thread mount offers a straightforward, durable solution for attaching compatible suppressors to a properly threaded barrel. Its stainless steel construction with Cerakote finish balances corrosion resistance and low visual signature, making it suitable for regular range use and disciplined precision setups.