Piston Rod Guide Bushing HK416 / MR556 / HK417 / MR762 HAUS


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These HK HAUS 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.
* Be sure to use a drop or two of Loctite when you install your new guide bushing.
Made with pride in Texas.