Frank Proctor Guide Rod Adapter for Glock Gen 4 & 5

FP guide rod adapters are CNC machined and feature a Black Nitride finish.  I have found Black Nitride to be extremely durable and corrosion resistant.  

DISCLAIMER: This product is not manufactured, authorized, endorsed,
or warranted by GLOCK. GLOCK does not warrant or represent that
this product is compatible with GLOCK pistols.

DISCLAIMER: “GLOCK” is a federally registered trademark of
GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc.
and GLOCK Ges.m.b.H. Neither Ben Stoeger Pro Shop nor this site are
affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or
GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to
advertise the sale of pistols, parts, components or accessories that are
compatible with GLOCK. For additional genuine GLOCK, Inc. and
GLOCK Ges.m.b.H. products and parts visit www.glock.com.