Reduces Friction, Stops Mag Catch Failures
Solid, one-piece design features four milled flats to reduce weight and friction for smooth operation and long service life; helps eliminate magazine catch failures. Guide body is turned to .344" diameter from 8020 tool steel. Integral, CNC-machined magazine catch means no more broken welds or bent stampings halfway through your range work. Heat-treated in a vacuum furnace to maintain straightness.
Big Book Catalog, Issue:70, Page:163
SPECS: 8620 hardened tool steel, Mil-Spec manganese