Sig Sauer SIG M18 9MM 21R CSS MS COY
- UPC
- 798681715190
- MPN
- M18-9-CSS-MS
- Manufacturer
- Sig Sauer
$656.99
$657.99
Best offer
Good 4 Guns $559.99
Cheaper Offer Available
Good 4 Guns lists a matched offer at $559.99, $97.00 (15%) less than this listing's $656.99.
Price Intelligence
Building confidence
Against lowest
Matches lowest seen
Typical price
Near typical ($657.49)
From tracked high
$1.00 lower (0%)
Data depth
97 days, 1 price change
Useful signal, but more history will sharpen the read.
Tracked for 97 days. Last checked: 2026-09-22. Recorded 1 price change. The average price is $657.49. The price has ranged from $656.99 to $657.99. The current price of $656.99 is 0% below average.
Lowest
$656.99
Highest
$657.99
Average
$657.49
Tracked
97 days
Price Changes
1
Last checked
2026-09-22
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Live Offers
3 retailers list SIG SAUER M18 Coyote 9mm Pistol 3.9"; 3 in stock, in-stock prices run $559.99 to $700.99.
Best Price History Across Offers
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Insights
Recent Price Drop
Dropped $1.00 (0.2%) since 2026-06-19.
