The cavity on the bottom of sub compact Gen 4 Glocks can be troublesome; it often allows dirt and debris to get into the mag well, potentially finding its way into the action. Pearce Grip has designed their Sub Compact Grip Frame Insert to fill this gap and give your Gen 4 Glock a cleaner appearance.
You can simply push it into the cavity, and the friction fit will keep it firmly in place. You can even use your interchangeable factory backstraps with this insert installed! The forward side of the insert is angled to act as a guide when inserting your magazines. High-quality polymer construction allows this piece to withstand a lifetime of hard use. Fill that annoying gap and protect your Glock Gen 4 sub compact pistol's internals with this Grip Frame Insert from Pearce Grip!