PISTON ROD GUIDE BUSHING HK416 MR556 HK417 MR762 HAUS 🇺🇸March 29, 2021
These threaded piston rod guide bushings are machined out of 304 stainless steel and are a direct replacement part for your Heckler & Koch upper or 416 / 417 clone build.
* Use a drop or two of Rocksett or high temperature Loctite when you install your new guide bushing.
Made with pride in Texas.
Ling to bushing installation tool: https://www.haus.us.com/product/piston-rod-guide-bushing-installation-tool-hk416-417-mr-series-haus-copy/