The Ultimate Safety Plunger replaces the factory safety plunger, for a smoother trigger take-up and extended service life.The part acts in the same manner as the original, blocking the striker channel and prevent the firing pin from moving forward unless the trigger is manually pulled to the rear. The USP improves upon the original by smoothing out trigger take-up, while maintaining timing with aftermarket trigger systems. The USP is machined from 440C stainless steel, with a hardness of 48-54 Rc. Fits small frame Glocks.
“GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H. Brownells is an independent dealer of parts and accessories for Glock® pistols, and is not affiliated with or endorsed by Glock, Inc. or Glock Ges.m.b.H. The use of Glock on this page is merely to advertise the sale of Glock parts or components. As indicated in the product descriptions, not all parts and accessories on this site are official Glock products.
Big Book Catalog, Issue:70, Page:228