Pearce Grips’ Glock Gen 4 Subcompact Frame Insert keeps debris out of your Glock 26, 27, 33, or 39 pistol’s magazine well to enable more efficient firing.

This insert is installed inside the bottom rear cavity of a Glock Gen 4 26, 27, 33, or 39 pistol and uses a friction fit for retention. The insert is also compatible with the factory interchangeable backstraps. The insert is designed to keep dust and debris out of the magazine well to ensure safer and more efficient firing.

• Fits inside the bottom rear cavity of a Glock Gen 4 26, 27, 33, or 39 pistol
• Uses a friction fit for retention
• Compatible with the factory interchangeable backstraps
• Keeps dust and debris out of the magazine well to ensure safer and more efficient firing