This insert fits inside the bottom rear cavity of a Glock Gen 4 20, 21, or 40 pistol and uses the lanyard hole for retention. The insert is also compatible with the factory interchangeable backstraps. Made of high impact polymer, the insert is designed to keep dust and debris out of the magazine well to ensure safer and more efficient firing.
Special discounts may apply for high volume sales.
Contact our Bids & Quotes department for more information.