Brownells BRN-4 HK416 Compatible Operating Rod Assembly

The Brownells BRN-4 Operating Rod Assembly is engineered for compatibility with HK416 and MR556 rifle systems. This piston rod assembly serves as an essential component for the gas-operated system in these rifles. Manufactured by Brownells to provide reliable function and proper fit for Heckler & Koch HK416 and MR556 platforms, ensuring consistent cycling and performance.