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Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Copper Brown Cerakote
Sig Sauer

Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Copper Brown Cerakote

  • 9mm
  • 17rd
  • 3.9 in.
  • Striker-fired
$831.98

6% above usual

Higher than usual: it usually sells for $783.96, its median price over the last 90 days.

$816.99 + $14.99 shipping to your FFL dealer, before tax and the transfer fee. 10% under MSRP.

Gulf Coast Guns

Lowest of 5 stores

4.6 (9.2K), in stock,

Buy at Gulf Coast Guns(opens the store in a new tab)

Compare 5 stores

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

Stores selling Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Copper Brown Cerakote, ranked by landed price
StoreLanded priceVersus bestStockStore link
Gulf Coast Guns4.6
$831.98Best priceIn stockBuy at Gulf Coast Guns (opens in a new tab)
High Desert Guns4.2
$861.99+$30.01Not reportedBuy at High Desert Guns (opens in a new tab)
Northfork Firearms4.7
$871.49+$39.51In stockBuy at Northfork Firearms (opens in a new tab)
Iron Mesa Armory4.9
$899.99+$68.01Only 9 leftBuy at Iron Mesa Armory (opens in a new tab)
Keystone Shooting Supply4.8
$918.94+$86.96In stockBuy at Keystone Shooting Supply (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
$783.96
90-day median
90-day low
$709.26
90-day high
$831.98
2-year low
$591.22
Mar 25, 2025
Unchanged for
4 days
Since Oct 16, 2026
Every price change (128 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 16, 2026$831.98Up 2.9%
Oct 15, 2026$808.24Up 0.6%
Oct 12, 2026$803.20Up 5.6%
Oct 8, 2026$760.52Down 3.1%
Oct 3, 2026$784.64Down 4.4%
Oct 1, 2026$821.10Up 7.7%
Sep 26, 2026$762.40Down 2.8%
Sep 16, 2026$783.96Up 10.5%
Sep 9, 2026$709.26Down 8.8%
Sep 6, 2026$777.35Up 7.4%
Aug 28, 2026$723.78Down 11.3%
Aug 27, 2026$815.84Up 0.4%
Aug 23, 2026$812.78Up 0.2%
Aug 21, 2026$811.56Up 1.8%
Aug 7, 2026$796.90Up 2.5%
Jul 28, 2026$777.20Down 3.6%
Jul 26, 2026$805.82Up 13.2%
Jul 13, 2026$712.02Down 12.3%
Jul 2, 2026$812.11Up 3.6%
Jun 20, 2026$784.17Up 1.6%
Jun 11, 2026$772.19Down 2.9%
Jun 10, 2026$795.02Up 3.6%
Jun 7, 2026$767.24Down 0.8%
May 31, 2026$773.40Up 1.7%
May 26, 2026$760.78Up 5.1%
May 23, 2026$724.17Down 5.0%
May 22, 2026$762.04Down 9.0%
May 19, 2026$837.55Up 8.2%
May 15, 2026$774.37Down 1.6%
May 13, 2026$787.34Up 1.1%
May 12, 2026$778.45Down 11.2%
May 5, 2026$876.65Up 12.0%
Apr 28, 2026$782.68Down 1.3%
Apr 22, 2026$792.91Up 3.0%
Apr 19, 2026$769.93Down 7.7%
Apr 3, 2026$834.16Down 1.5%
Mar 26, 2026$846.83Up 20.8%
Mar 25, 2026$700.78Down 10.8%
Mar 18, 2026$785.58Up 17.5%
Mar 17, 2026$668.40Down 10.6%
Mar 16, 2026$747.87Down 1.1%
Mar 15, 2026$756.32Down 1.2%
Mar 12, 2026$765.50Down 5.8%
Mar 11, 2026$813.03Up 21.9%
Mar 4, 2026$667.14Down 13.1%
Feb 28, 2026$767.89Up 1.0%
Feb 23, 2026$760.47Down 0.8%
Feb 17, 2026$766.28Down 1.3%
Feb 14, 2026$776.01Down 1.5%
Feb 12, 2026$788.03Up 4.7%
Feb 9, 2026$752.60Up 1.4%
Jan 30, 2026$742.52Down 3.0%
Jan 27, 2026$765.29Up 22.9%
Jan 18, 2026$622.93Down 6.9%
Jan 16, 2026$669.02Down 7.1%
Jan 15, 2026$719.80Down 10.5%
Jan 4, 2026$804.23Up 5.1%
Dec 27, 2025$765.29Up 4.7%
Dec 20, 2025$731.08Up 8.0%
Dec 17, 2025$676.89Down 15.5%
Dec 16, 2025$800.71Up 5.5%
Dec 14, 2025$759.02Up 18.8%
Dec 10, 2025$638.98Down 14.4%
Dec 3, 2025$746.81Up 5.9%
Nov 15, 2025$705.24Down 6.7%
Nov 12, 2025$755.99Down 0.3%
Nov 11, 2025$758.13Down 8.8%
Nov 10, 2025$831.65Up 9.0%
Nov 1, 2025$762.78Down 0.4%
Oct 19, 2025$766.21Up 1.1%
Oct 14, 2025$757.64Up 16.9%
Sep 29, 2025$648.19Down 9.8%
Sep 17, 2025$718.64Down 12.7%
Sep 11, 2025$822.90Up 32.1%
Aug 25, 2025$622.74Up 0.5%
Aug 12, 2025$619.55Down 17.4%
Aug 11, 2025$750.24Down 11.1%
Aug 10, 2025$844.21Up 37.7%
Aug 2, 2025$613.25Down 15.9%
Jul 18, 2025$728.80Down 0.3%
Jul 16, 2025$731.07Down 6.1%
Jul 14, 2025$778.97Up 4.6%
Jul 13, 2025$745.02Up 1.7%
Jul 12, 2025$732.76Up 0.3%
Jun 14, 2025$730.44Down 0.8%
Jun 3, 2025$736.46Up 12.2%
May 22, 2025$656.27Down 8.4%
May 19, 2025$716.79Down 4.2%
May 17, 2025$747.90Up 20.9%
May 15, 2025$618.45Down 14.5%
May 3, 2025$723.13Down 7.0%
Apr 25, 2025$777.81Up 31.5%
Apr 21, 2025$591.44Down 17.0%
Apr 14, 2025$712.54Up 0.2%
Apr 11, 2025$711.41Down 4.9%
Mar 26, 2025$747.94Up 26.5%
Mar 22, 2025$591.22Down 16.8%
Mar 15, 2025$710.97Down 1.0%
Mar 13, 2025$718.37Up 1.0%
Mar 9, 2025$711.58Down 1.6%
Mar 8, 2025$723.15Up 0.6%
Feb 25, 2025$718.94Up 4.0%
Feb 24, 2025$691.42Down 3.7%
Feb 6, 2025$717.88Down 13.7%
Feb 5, 2025$831.91Up 14.4%
Jan 29, 2025$727.49Down 3.4%
Jan 25, 2025$753.11Up 3.1%
Jan 20, 2025$730.63Down 2.7%
Jan 17, 2025$751.00Down 2.3%
Jan 15, 2025$768.90Up 11.1%
Jan 13, 2025$691.98Down 0.1%
Jan 11, 2025$692.39Down 6.1%
Jan 2, 2025$737.28Up 3.1%
Jan 1, 2025$715.33Down 2.0%
Dec 30, 2024$729.58Down 12.1%
Dec 29, 2024$830.24Up 18.4%
Dec 27, 2024$701.11Down 10.7%
Dec 20, 2024$784.99Up 28.9%
Dec 11, 2024$608.83Down 15.8%
Dec 5, 2024$723.09Up 2.9%
Dec 1, 2024$702.62Down 10.1%
Nov 29, 2024$781.47Up 22.2%
Nov 26, 2024$639.56Down 4.9%
Nov 22, 2024$672.58Down 5.5%
Nov 18, 2024$711.59Down 2.7%
Nov 15, 2024$731.60Up 2.7%
Nov 1, 2024$712.08Down 9.6%
Oct 24, 2024$787.54Up 2.7%

About this product

The Sig Sauer M18 9mm Threaded Barrel 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 copper Brown Cerakote finish in the threaded barrel configuration, new. 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
Copper Brown Cerakote
Configuration
Threaded barrel
Condition
New