The Glockmeister grip plug for the 20SF and 21SF is a friction fit unit. It will install on an SF model that does or does not have the lanyard hole. Utilizing tight tolerances that ensure it will never fall out, this plug is easy to install and keeps dirt out of your trigger mechanism. It also helps lead the magazine into the mag well.
Fit: Glock 21Sf
Type: Frame Insert
Mfg Number: BCISF
This Is Not a Glock Factory OEM Product. This Is And after Market Part Or Accessory Made To Work With Or Fit a Glock. Glock Is a federally registered Trademark Of Glock, Inc. We Are Not Affiliated With Or endorsed By Glock, Inc.