Well, we are starting to repeat ourselves.  Here is the Quick .30 washout unit and guide pin assembly.  As with most other Quick .30 parts, its machined aluminum with a beautiful anodized finish.

Series 2000 Machined Aluminum Bronze Insert to Smooth Shaft Action
Each Arm Has Double Bearings Washout Link Has Two Mini Ball Bearings
Machined Guide Pin Assm. w/ Stainless Guide Pin Bright Dip Anodized