JK Armament RPX 155 9mm Suppressor 1.55″ Black Aluminum/Titanium 1/2×28

The JK Armament RPX 155 is a 9mm suppressor featuring a 1.55-inch diameter and a shorter overall form factor. It is constructed with a combination of aluminum and titanium and ships in a black finish. The RPX 155 ships with a 1/2-28 piston and booster assembly along with a high-flow flash hiding end cap installed.

The RPX 155 incorporates a modular baffle stack, allowing the user to adjust the length and weight configuration. JK Armament describes the baffle geometry as a rifle-pistol design intended for sound and pressure management across a range of cartridges. The suppressor is designed for use on 9mm pistols and pistol caliber carbines.

Key Features

• Caliber: 9mm
• Diameter: 1.55 inches
• Materials: Aluminum and titanium
• Finish: Black
• Mount: 1/2x28 thread pitch
• Includes 1/2-28 piston/booster and high-flow flash hiding end cap
• Modular baffle stack construction
• Rifle-pistol baffle geometry per manufacturer description

The RPX 155 is part of JK Armament's RPX suppressor line. Questions about this suppressor or NFA transfer process? ICB Firearms, a family-owned retailer in Saint Clair Shores, Michigan, is available to assist customers locally and nationwide.