Product Description The JK Armament JK155LTA80 is a lightweight (LT) 155 piston booster assembly engineered for pistol suppressors that require a Nielsen device to ensure reliable semi-automatic cycling. Featuring a 3-lug mounting system for fast, tool-free attachment and removal, this booster piston is threaded at 1.180x24 to provide a secure, precise interface between the host pistol and the suppressor. Its compact, low-profile design helps reduce overall system weight while maintaining the functional integrity required for consistent operation. Whether you are upgrading an existing suppressor setup or building a new one, the JK155LTA80 delivers the performance and compatibility needed for dependable results. Product Highlights Lightweight Construction: The LT (lightweight) profile minimizes added mass to the suppressor system without sacrificing durability or function. 3-Lug Mount: Enables quick, tool-free attachment and removal for fast suppressor transitions in the field or at the range. 1.180x24 Threading: Precisely machined thread pitch ensures a secure, repeatable fit with compatible suppressor housings. Nielsen Device Functionality: Acts as a booster piston to allow the pistol slide to cycle reliably with a suppressor attached, preventing malfunctions common with fixed-mount setups on semi-automatic pistols. JK Armament Quality: Manufactured by JK Armament, a brand known for producing precision suppressor components and accessories built to demanding standards. Specs Brand: JK Armament Manufacturer Part Number (MPN): JK155LTA80 UPC: 850017729100 Mount Type: 3-Lug Thread Pitch: 1.180x24 Weight Class: Lightweight (LT) Series: 155 LT Function: Booster Piston / Nielsen Device Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>