JK 155 piston assembly with 578x28 threads. Raw finish. Designed for 45 ACP and 10mm platforms. Direct impingement tuning component.
The JK 155 piston represents a straightforward approach to direct impingement tuning for modern sporting rifles. This component features:
Piston-driven systems offer shooters the ability to fine-tune their rifle's performance. By adjusting gas flow and impulse characteristics, you can optimize reliability, reduce felt recoil, and extend component life. The JK 155 piston provides a proven solution for those seeking to maximize their platform's potential.
This piston assembly is engineered for precision and durability. The raw finish allows for custom finishing or integration into existing builds without aesthetic constraints. Whether you're building a dedicated competition rifle or refining a duty weapon, this component delivers the performance characteristics serious shooters demand.
Proper installation and tuning are essential. Consult your rifle's manual and consider professional gunsmithing if you're new to piston system adjustments.