FAB Defense Glock 42 Polymer Magazine Extension, Black - FX4210B
- UPC
- 7290111585005
- MPN
- FX4210B
- SKU
- 51655149945
- Manufacturer
- FAB Defense
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This is the lowest price in our tracked history — an excellent time to buy.
Price Intelligence
Building confidenceUseful signal, but more history will sharpen the read.
Tracked for 167 days. Last price change: 2026-09-19. Recorded 1 price change. The average price is $20.59. The price has ranged from $20.19 to $20.99. The current price of $20.19 is -2% below average.
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Live Offers
2 retailers list Fab Defense Magazine Extension for Glock 42 +4/rd; 2 in stock, in-stock prices run $20.19 to $25.80.
