Friday, May 16, 2025

JK Armament HUB Piston Mount Now Available in Black Nitride

Hammett, ID – Our #1 most-requested accessory is now available in an extremely durable black nitride finish! The JK HUB Piston Mount delivers reliable operation of JK 155 suppressors (plus other brands’ pistol suppressors!) on semi-automatic, centerfire pistols. Our booster is lightweight, compact, and competitively priced!

Select from three variations:

  1. JK HUB Piston Mount (does not include a piston)
  2. JK HUB Piston Mount Bundle with 1/2-28 9mm Piston
  3. JK HUB Piston Mount Bundle with .578-28 .45cal /10mm Piston

By isolating the suppressor from the moving barrel, the JK HUB Piston Mount (often referred to as a “booster” or a “Nielsen Device”) maintains reliable operation of short recoil-operated, semi-automatic pistols such as GLOCKs, SIGs, and nearly every other modern, centerfire pistol.

The JK HUB Piston Mount installs in place of your JK 155 suppressor’s taper mount or other mount accessory, threading directly into the base of the serialized suppressor tube with its HUB-standard 1-3/8×24 (1.375×24) thread pitch. This also makes the JK HUB Piston Mount compatible with any other suppressor on the market with HUB threads and enough internal length to accommodate the booster housing (approx 1.8”).

Reliable, compact, and affordable, the JK HUB Piston Mount is the best way to suppress your semi-auto pistol with your favorite JK 155 silencer or other HUB-compatible pistol or hybrid silencer and maintain proper function!

Additional booster piston thread sizes coming soon.

JK 155 HUB Piston Mount Specs:

? Length Added to Suppressor: 0.43 inches

? Weight: 4.5 ounces

? Mount Thread Size: HUB 1.375-24

? Piston Thread Size: multiple common sizes available

? Housing Material: 17-4PH stainless steel

? Piston Material: 17-4PH stainless steel

? Piston Cap Material: 7075-T6 billet aluminum

Find out more on the JK Armament website HERE.

About JK Armament

JK Armament was established in 2019 in gorgeous southern Idaho near the Snake River. JK’s founder, Jake Kunsky, is a U.S. Army veteran and served as Special Forces Group head armorer. He has over 20 years of machining and weapons experience from the automotive, farming, and firearms industries as well as from his time in the military. Through four combat deployments to Iraq and hands-on experience as head armorer, Jake developed a passion and interest for designing and manufacturing the best firearm suppressors in the world.

JK Armament’s Patent Pending product line is the culmination of Jake’s experience developing products for NEMO Arms, Gemtech Suppressors, Smith & Wesson, and Maxim Defense. His vast experience with suppressor and weapon design, testing, engineering, and machining is why JK Armament products set the bar for the suppressor industry. Nothing else is more Mission Configurable, versatile, and user serviceable, and it’s all backed up by JK Armament’s Unconditional Unlimited Lifetime Warranty.