FN 66100464 509 Midsize 9mm Luger 4" Barrel 10+1, Matte Black Polymer Frame With Mounting Rail, Matte Black Stainless Steel Slide, No Manual Safety

$629.00

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Cheaper Offer Available

Palmetto State Armory lists a matched offer at $449.99, $179.01 (28%) less than this listing's $629.00.

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Data depth 51 days, 0 price changes

Useful signal, but more history will sharpen the read.

The advertised price has held at $629.00 since tracking began on Aug 5, 2026; no price changes recorded.

3 retailers list FN 509 Midsize 9mm 4" 10-Round Black; 2 in stock, in-stock prices run $449.99 to $629.00.