HUXWRX Piston Spring Features The HUXWRX Piston Spring is engineered specifically for use in HUXWRX piston assemblies designed for 9mm and .45 ACP pistol caliber suppressor applications. A functioning piston system is essential to suppressed pistol operation as it allows the host firearm s slide to cycle properly despite the added mass and back pressure introduced by the suppressor. Over time and repeated use piston springs can wear and lose tension which may lead to inconsistent cycling or malfunctions making periodic replacement an important part of suppressor maintenance. This spring gives owners a straightforward way to restore proper piston function without needing to replace the entire piston assembly. HUXWRX has built a strong reputation in the suppressor industry for engineering advanced reliable systems that address the specific challenges of running a suppressor on a semi-auto host. Keeping a spare piston spring on hand allows owners to perform routine maintenance quickly minimizing downtime between range sessions or training. This kind of part-level serviceability reflects HUXWRX s broader design philosophy of building suppressor systems that can be maintained and kept in top working order over the long term. Pistol suppressor owners running HUXWRX piston systems in 9mm or .45 ACP will find this spring a useful item to have on hand for ongoing maintenance. HUXWRX Piston Spring Specifications Manufacturer: HUXWRX Model: Piston Spring Type: Suppressor Piston Spring Compatible Hosts: 9mm .45 ACP Piston Suppressors Available At: GrabAGun