SIG SAUER MAGAZINE MPX 9MM BLK 20RD 8900828

$51.99

Firearm Data Lab may earn a commission when you buy through this retailer link. Prices and rankings are never influenced by commissions.

Cheaper Offer Available

Palmetto State Armory lists a matched offer at $50.99, $1.00 (2%) less than this listing's $51.99.

Price Intelligence

Building confidence

Against lowest Matches lowest seen

Typical price Near typical ($51.99)

Data depth 46 days, 0 price changes

Useful signal, but more history will sharpen the read.

The advertised price has held at $51.99 since tracking began on Aug 9, 2026; no price changes recorded.

2 retailers list Sig Sauer SIG MAG SIGMPX 9MM 20RD THRIL; 2 in stock, in-stock prices run $50.99 to $51.99.