- Make sure this fits by entering your model number.
- Fits Gen 4 (only) models 17, 18, 19, 22, 23, 24, 31, 32, 34, 35, 37, and 38
- Allows you to use factory interchangeable backstraps
- Helps keep debris out of the magazine well
- Friction fit holds the unit in place in the bottom rear cavity of the frame
- Made in the USA
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