GLOCKMEISTER INSERT FOR GLK 21SF

Glockmeister Grip Plug In, Fits Glock 20SF/21SF, Black BCISF

Designed to guide the mag into the mag well and prevent the magazine from snagging on structures within the Glock the Glockmeister Backstrap Channel Insert also stops dirt and debris from entering the backstrap channel - keeping the trigger mechanism clear of any restrictive elements.