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Sig Sauer M18 9mm, 3.9 in., 17rd, Black (Police Trade-In)
Sig Sauer

Sig Sauer M18 9mm, 3.9 in., 17rd, Black (Police Trade-In)

  • 9mm
  • 17rd
  • 3.9 in.
  • Striker-fired
$425.98

About usual: it usually sells for $426.72, its median price over the last 90 days.

$405.99 + $19.99 shipping to your FFL dealer, before tax and the transfer fee. 47% under MSRP.

Ridgeline Arms

Lowest of 7 stores

4.8 (18.2K), in stock,

Buy at Ridgeline Arms(opens the store in a new tab)

Compare 7 stores

50+ store clicks this week.

Ranked by landed price: the item plus shipping to you, before tax.

Stores selling Sig Sauer M18 9mm, 3.9 in., 17rd, Black (Police Trade-In), ranked by landed price
StoreLanded priceVersus bestStockStore link
Ridgeline Arms4.8
$425.98Best priceIn stockBuy at Ridgeline Arms (opens in a new tab)
Westbound Armory4.7
$437.48+$11.50In stockBuy at Westbound Armory (opens in a new tab)
Bayou Arms Co.4.1
$458.95+$32.97Not reportedBuy at Bayou Arms Co. (opens in a new tab)
Badlands Tactical4.3
$461.48+$35.50Not reportedBuy at Badlands Tactical (opens in a new tab)
Iron Mesa Armory4.9
$466.99+$41.01In stockBuy at Iron Mesa Armory (opens in a new tab)
Cedar Hollow Arms4.8
$480.49+$54.51In stockBuy at Cedar Hollow Arms (opens in a new tab)
Palisade Sporting Goods4.2
$504.98+$79.00In stockBuy at Palisade Sporting Goods (opens in a new tab)

Guns ship to a licensed dealer (FFL) near you for pickup. Landed prices include shipping to the dealer, not their transfer fee.

Price history

The lowest price and each store's own, every day for 2 years.

Usual
$426.72
90-day median
90-day low
$362.29
90-day high
$461.22
2-year low
$317.07
Mar 26, 2025
Unchanged for
14 days
Since Oct 6, 2026
Every price change (113 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 6, 2026$425.98Up 0.6%
Sep 30, 2026$423.39Down 1.2%
Sep 24, 2026$428.54Up 3.5%
Sep 14, 2026$414.05Down 5.1%
Sep 9, 2026$436.36Down 5.4%
Sep 7, 2026$461.22Up 8.1%
Sep 2, 2026$426.72Down 0.3%
Aug 31, 2026$428.11Up 1.4%
Aug 25, 2026$422.25Up 4.5%
Aug 21, 2026$404.23Up 11.6%
Aug 18, 2026$362.29Down 19.9%
Jul 21, 2026$452.28Up 10.2%
Jul 9, 2026$410.36Down 3.9%
Jul 8, 2026$426.86Down 1.1%
Jun 10, 2026$431.43Down 9.0%
Jun 8, 2026$474.09Up 13.3%
Jun 5, 2026$418.30Up 1.9%
Jun 3, 2026$410.31Up 2.3%
May 31, 2026$400.99Up 11.7%
May 29, 2026$358.84Down 11.6%
May 21, 2026$405.86Up 10.0%
May 18, 2026$369.04Down 8.5%
May 14, 2026$403.43Down 3.2%
May 4, 2026$416.90Up 1.7%
Apr 26, 2026$409.73Up 3.0%
Apr 17, 2026$397.66Up 2.6%
Apr 15, 2026$387.46Down 5.2%
Apr 11, 2026$408.60Up 13.8%
Apr 5, 2026$359.20Down 13.8%
Mar 31, 2026$416.74Up 25.9%
Mar 25, 2026$330.92Down 10.3%
Mar 16, 2026$369.08Down 18.1%
Mar 6, 2026$450.52Up 16.1%
Feb 28, 2026$387.99Down 7.1%
Feb 18, 2026$417.83Up 3.8%
Feb 6, 2026$402.43Down 2.2%
Feb 4, 2026$411.33Down 0.7%
Feb 2, 2026$414.12Down 0.4%
Jan 28, 2026$415.83Up 4.3%
Jan 22, 2026$398.70Down 0.1%
Jan 19, 2026$399.21Up 0.6%
Jan 17, 2026$396.67Down 3.3%
Jan 4, 2026$410.06Up 2.1%
Dec 31, 2025$401.58Up 2.5%
Dec 28, 2025$391.64Down 2.9%
Dec 23, 2025$403.36Up 1.4%
Dec 6, 2025$397.72Down 0.5%
Dec 4, 2025$399.67Down 13.0%
Nov 29, 2025$459.36Up 13.6%
Nov 28, 2025$404.51Down 3.3%
Nov 27, 2025$418.34Up 27.7%
Nov 24, 2025$327.57Down 17.8%
Nov 23, 2025$398.50Up 22.6%
Nov 19, 2025$325.10Down 17.6%
Nov 9, 2025$394.62Up 15.2%
Nov 7, 2025$342.68Down 13.3%
Oct 27, 2025$395.40Up 15.7%
Oct 20, 2025$341.82Down 2.1%
Sep 26, 2025$349.17Down 12.9%
Sep 25, 2025$400.92Down 1.6%
Sep 17, 2025$407.63Up 5.6%
Aug 27, 2025$385.89Down 3.1%
Aug 17, 2025$398.04Down 1.6%
Aug 9, 2025$404.60Up 3.2%
Aug 8, 2025$391.98Up 11.8%
Aug 7, 2025$350.53Down 5.4%
Jul 22, 2025$370.71Down 4.7%
Jul 20, 2025$388.95Up 8.6%
Jul 17, 2025$358.19Down 7.8%
Jul 15, 2025$388.29Down 5.0%
Jul 9, 2025$408.88Up 23.5%
Jul 7, 2025$330.99Down 14.9%
Jul 4, 2025$389.15Up 7.5%
Jun 27, 2025$362.06Down 6.4%
Jun 21, 2025$386.62Up 1.6%
Jun 17, 2025$380.59Up 0.8%
Jun 14, 2025$377.40Down 3.4%
May 31, 2025$390.62Down 10.1%
May 7, 2025$434.28Up 11.9%
Apr 24, 2025$388.15Down 10.8%
Apr 23, 2025$434.96Up 12.1%
Mar 29, 2025$388.06Up 11.5%
Mar 27, 2025$348.06Up 9.8%
Mar 19, 2025$317.07Down 22.1%
Mar 15, 2025$407.02Up 6.4%
Mar 14, 2025$382.61Up 17.4%
Mar 6, 2025$325.95Down 12.2%
Mar 4, 2025$371.32Down 6.7%
Mar 2, 2025$397.78Up 7.7%
Feb 19, 2025$369.36Down 3.6%
Feb 16, 2025$382.99Down 9.9%
Feb 12, 2025$425.08Up 15.4%
Feb 10, 2025$368.42Up 3.5%
Feb 6, 2025$355.83Down 3.0%
Jan 16, 2025$366.72Down 2.2%
Jan 15, 2025$375.05Up 2.8%
Jan 13, 2025$364.95Down 4.2%
Jan 9, 2025$380.81Down 0.8%
Jan 2, 2025$384.04Down 9.3%
Dec 31, 2024$423.19Up 12.3%
Dec 27, 2024$376.95Down 11.8%
Dec 22, 2024$427.17Up 15.0%
Dec 18, 2024$371.57Down 0.7%
Dec 17, 2024$374.08Up 13.9%
Dec 7, 2024$328.54Down 11.7%
Nov 28, 2024$372.12Up 2.9%
Nov 26, 2024$361.47Up 3.3%
Nov 22, 2024$349.85Down 5.8%
Nov 16, 2024$371.52Down 8.3%
Nov 13, 2024$405.31Up 1.4%
Nov 10, 2024$399.65Up 4.3%
Oct 30, 2024$383.26Up 0.1%
Oct 24, 2024$382.85Up 3.8%

About this product

The Sig Sauer M18 9mm is a handgun chambered in 9mm Luger, with a striker-fired action, a 3.9-inch barrel and a 17-round capacity. This listing is the black finish in the standard configuration, police trade-in. Guns ship to a licensed dealer (FFL) near you, who runs the background check and hands it over; their transfer fee is separate.

Caliber
9mm Luger
Type
Handgun
Action
Striker-fired
Capacity
17 rounds
Barrel length
3.9 in.
Finish
Black
Configuration
Standard
Condition
Police trade-in