The JK Armament JK155PISTON5X28 Piston 9mm Luger 1/2"x28 Stainless Steel For Pistol is a precision-machined booster piston designed to securely mate a threaded pistol barrel with a compatible suppressor. Crafted from durable 17-4 PH stainless steel, it offers a robust mounting solution for most 9mm pistols using the common 1/2"x28 thread pattern, delivering consistent alignment and reliable performance.

This piston is tailored for shooters who run suppressed 9mm Luger pistols and need a dependable interface between barrel and silencer. Its raw stainless finish and carefully engineered geometry support smooth operation and long-term durability in regular range use, training, or competition. Built to the standards enthusiasts expect from JK Armament, it reflects the manufacturer’s focus on thoughtful design and quality machining.

Key Features:

• Manufacturer: JK Armament
• Model: JK155PISTON5X28
• Caliber: 9mm Luger
• Material: Stainless Steel
• Series: Piston
• Thread Pattern: 1/2"x28
• Color: Raw
• Diameter: 1.55 Inches
• Weight: 0.10 Lbs