SIG SAUER Sig MPX Gen 2 Caliber X-Change Kit 9 mm 4.5 in

Gun Parts Sig Sauer UPC 798681555062 MPN CALXMPX4B9G2

$723.99

at Palmetto State Armory

Price last checked 14 days ago

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7 retailers · 1 in stock

This listing: Optics Planet $749.99, out of stock

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Lowest seen: $658.49
Typical price: $658.49
Tracked since: Apr 10, 2026

Today's best price is $65.50 above the 216-day low and 10% above typical.

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