HK417 Reaction Rod

Built specifically for HK’s 7.62 AR platforms, this hardened steel reaction rod gives you a rock-solid way to service muzzle devices and factory barrel nuts without stressing the receiver. Compatibility:Fits HK 417, G28, MR762, MR762A4, and MR308 Do the job rightSlides in from the rear of the upper and positively engages the barrel extension Holds the upper securely in a bench vise for torqueing, timing, or removal/installation work of the barrel nut and muzzle devices. Why it mattersPrevents receiver twist and damage during high-torque operations Cross hatched to allow for better grip when using a vise and light passivated coating to help prevent corrosion. We recommend oiling the rod with gun oil when you receive it.