GUIDE ROD BUSHING INSTALLATION TOOL HK416 / HK417 HAUSMarch 29, 2021
Piston rod guide bushing assembly tool for HK 416, 417, MR556, MR762 stainless steel. This tool with fit any standard bit driver and is designed to center itself to prevent any damage to the upper receiver during installation of the piston rod guide bushing. Apply a couple drops of Loctite to your bushing and thread in until snug, there is no need to exceed 15 inch pounds of torque. Do not over tighten your bushing.
🇺🇸 Made in USA.