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Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Midnight Bronze Cerakote
Sig Sauer

Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Midnight Bronze Cerakote

  • 9mm
  • 17rd
  • 3.9 in.
  • Striker-fired
  • 3% below usual
$718.99Usually $742.20

Save $23.21

Lower than usual: it usually sells for $742.20, its median price over the last 90 days.

$698.99 + $20.00 shipping to your FFL dealer, before tax and the transfer fee. 22% under MSRP.

Bayou Arms Co.

Lowest of 3 stores

4.1 (1.7K), stock not reported,

Buy at Bayou Arms Co.(opens the store in a new tab)

Compare 4 stores

3 in stock.

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

Stores selling Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Midnight Bronze Cerakote, ranked by landed price
StoreLanded priceVersus bestStockStore link
Bayou Arms Co.4.1
$718.99Best priceNot reportedBuy at Bayou Arms Co. (opens in a new tab)
Prairie Fire Supply4.1
$735.94+$16.95Not reportedBuy at Prairie Fire Supply (opens in a new tab)
Sawtooth Outfitters4.5
$746.99+$28.00Not reportedBuy at Sawtooth Outfitters (opens in a new tab)
High Desert Guns4.2
$711.99Not availableOut of stockView at High Desert Guns (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
$742.20
90-day median
90-day low
$613.03
90-day high
$844.99
2-year low
$604.97
Jan 27, 2025
Unchanged for
8 days
Since Oct 12, 2026
Every price change (140 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 12, 2026$718.99Down 5.8%
Oct 11, 2026$763.23Up 2.1%
Sep 27, 2026$747.42Up 1.8%
Sep 25, 2026$733.89Up 19.7%
Sep 23, 2026$613.03Down 17.5%
Sep 22, 2026$742.95Down 8.4%
Sep 18, 2026$811.03Up 7.4%
Sep 14, 2026$755.25Up 7.0%
Sep 4, 2026$705.68Down 2.5%
Aug 28, 2026$723.63Down 2.5%
Aug 25, 2026$742.20Down 12.2%
Aug 20, 2026$844.99Up 10.6%
Aug 10, 2026$763.86Up 4.3%
Aug 7, 2026$732.40Up 9.0%
Aug 3, 2026$672.14Down 9.0%
Jul 27, 2026$738.77Down 3.3%
Jul 26, 2026$764.22Up 1.4%
Jul 17, 2026$753.84Up 2.2%
Jul 6, 2026$737.58Down 9.5%
Jul 3, 2026$815.19Up 9.8%
Jul 2, 2026$742.19Down 3.3%
Jun 27, 2026$767.74Up 16.8%
Jun 25, 2026$657.45Down 22.0%
Jun 24, 2026$842.54Up 12.3%
Jun 23, 2026$750.22Up 0.3%
Jun 16, 2026$748.30Up 1.5%
Jun 13, 2026$736.93Up 11.5%
Jun 12, 2026$660.70Down 15.3%
Jun 9, 2026$780.06Up 2.1%
May 29, 2026$764.32Up 2.6%
May 27, 2026$745.26Down 6.7%
May 21, 2026$798.68Up 1.5%
May 20, 2026$786.84Up 3.4%
May 13, 2026$761.25Up 3.7%
May 3, 2026$734.31Down 5.8%
May 1, 2026$779.77Up 18.4%
Apr 28, 2026$658.50Down 2.3%
Apr 11, 2026$674.21Down 20.2%
Apr 4, 2026$845.08Up 13.7%
Apr 1, 2026$743.18Down 2.5%
Mar 31, 2026$762.60Up 2.6%
Mar 25, 2026$743.00Down 1.4%
Mar 13, 2026$753.88Up 0.6%
Feb 27, 2026$749.68Down 6.5%
Feb 17, 2026$801.61Down 1.6%
Jan 31, 2026$814.38Up 25.7%
Jan 28, 2026$647.81Down 11.7%
Jan 22, 2026$733.83Down 14.4%
Jan 13, 2026$857.04Up 12.9%
Jan 11, 2026$758.81Up 17.0%
Jan 10, 2026$648.45Down 25.2%
Jan 3, 2026$866.58Up 2.1%
Dec 30, 2025$848.57Up 3.4%
Dec 27, 2025$820.32Up 8.5%
Dec 26, 2025$755.93Up 3.9%
Dec 16, 2025$727.57Down 3.0%
Dec 15, 2025$749.84Down 1.8%
Dec 12, 2025$763.64Up 4.8%
Dec 5, 2025$728.49Down 2.5%
Dec 1, 2025$747.06Up 17.1%
Nov 30, 2025$637.93Down 24.5%
Nov 22, 2025$845.04Up 12.0%
Nov 17, 2025$754.39Up 0.5%
Nov 14, 2025$750.81Down 1.6%
Nov 7, 2025$763.31Up 0.4%
Nov 4, 2025$759.93Up 2.3%
Oct 10, 2025$743.09Up 0.0%
Oct 9, 2025$742.72Up 0.5%
Oct 3, 2025$738.87Up 11.9%
Sep 27, 2025$660.19Down 13.2%
Sep 18, 2025$760.37Down 8.3%
Sep 9, 2025$829.36Down 2.3%
Sep 5, 2025$848.86Up 13.4%
Sep 4, 2025$748.34Down 0.6%
Aug 31, 2025$752.76Down 3.0%
Aug 29, 2025$776.28Up 1.5%
Aug 24, 2025$764.48Up 1.8%
Aug 23, 2025$750.82Down 1.1%
Aug 20, 2025$759.30Up 3.5%
Aug 17, 2025$733.91Down 4.5%
Aug 15, 2025$768.65Up 19.1%
Aug 13, 2025$645.28Down 15.6%
Aug 6, 2025$764.95Up 6.1%
Aug 2, 2025$720.74Up 12.4%
Jul 25, 2025$641.16Down 19.3%
Jul 23, 2025$794.17Up 7.3%
Jul 15, 2025$739.80Up 4.8%
Jul 12, 2025$705.94Up 7.7%
Jul 11, 2025$655.67Down 13.9%
Jul 4, 2025$761.89Down 9.3%
Jun 29, 2025$839.73Up 2.3%
Jun 17, 2025$820.48Up 11.2%
Jun 16, 2025$737.91Down 2.6%
Jun 7, 2025$757.22Up 2.0%
Jun 5, 2025$742.19Down 3.6%
Jun 3, 2025$769.89Up 4.5%
Jun 2, 2025$736.73Down 4.3%
May 31, 2025$769.82Up 16.3%
May 23, 2025$661.66Down 6.9%
May 21, 2025$710.94Down 11.1%
May 20, 2025$799.31Up 28.3%
May 16, 2025$623.24Down 11.5%
May 15, 2025$704.03Down 4.5%
May 12, 2025$737.47Up 0.1%
May 5, 2025$736.99Up 5.1%
Apr 29, 2025$700.99Down 6.3%
Apr 19, 2025$747.86Down 3.3%
Apr 13, 2025$773.57Up 8.4%
Apr 12, 2025$713.35Up 6.4%
Apr 10, 2025$670.55Down 22.7%
Apr 1, 2025$868.00Up 2.9%
Mar 31, 2025$843.14Up 14.0%
Mar 27, 2025$739.69Up 8.2%
Feb 27, 2025$683.73Down 8.9%
Feb 25, 2025$750.50Down 2.5%
Feb 22, 2025$769.68Up 2.6%
Feb 20, 2025$750.21Up 2.5%
Feb 18, 2025$732.17Up 6.1%
Feb 16, 2025$690.28Down 4.6%
Feb 14, 2025$723.39Down 5.3%
Feb 10, 2025$764.23Up 4.5%
Feb 8, 2025$731.07Down 5.2%
Feb 6, 2025$771.14Down 1.2%
Feb 5, 2025$780.45Up 4.4%
Feb 4, 2025$747.24Down 12.1%
Jan 28, 2025$849.72Up 40.5%
Jan 26, 2025$604.97Down 22.8%
Jan 9, 2025$783.41Up 1.3%
Dec 14, 2024$773.57Up 2.3%
Dec 7, 2024$755.95Up 1.2%
Dec 2, 2024$746.62Up 0.5%
Dec 1, 2024$743.01Up 2.6%
Nov 14, 2024$724.42Down 2.5%
Nov 13, 2024$743.35Up 13.6%
Nov 7, 2024$654.51Down 13.0%
Nov 5, 2024$752.34Up 0.2%
Nov 4, 2024$750.57Up 0.9%
Oct 28, 2024$744.08Down 1.3%
Oct 27, 2024$753.71Up 2.7%
Oct 24, 2024$734.12Down 4.4%

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 midnight Bronze 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
Midnight Bronze Cerakote
Configuration
Threaded barrel
Condition
New
$718.993% below usual
at Bayou Arms Co.
Buy now at Bayou Arms Co.(opens the store in a new tab)