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Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Armor Black Cerakote
Sig Sauer

Sig Sauer M18 9mm Threaded Barrel, 3.9 in., 17rd, Armor Black Cerakote

  • 9mm
  • 17rd
  • 3.9 in.
  • Striker-fired
  • 6% below usual
  • Price dropped
$689.94Usually $733.99

Save $44.05

Lower than usual: it usually sells for $733.99, its median price over the last 90 days.

$664.95 + $24.99 shipping to your FFL dealer, before tax and the transfer fee. 24% under MSRP.

Coyote Trail Supply

Lowest of 5 stores

4.5 (8.1K), in stock,

Buy at Coyote Trail Supply(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, Armor Black Cerakote, ranked by landed price
StoreLanded priceVersus bestStockStore link
Coyote Trail Supply4.5
$689.94Best priceIn stockBuy at Coyote Trail Supply (opens in a new tab)
Bayou Arms Co.4.1
$691.99+$2.05Not reportedBuy at Bayou Arms Co. (opens in a new tab)
Iron Mesa Armory4.9
$734.95+$45.01In stockBuy at Iron Mesa Armory (opens in a new tab)
Northfork Firearms4.7
$736.99+$47.05In stockBuy at Northfork Firearms (opens in a new tab)
Red River Outdoors4.4
$797.98+$108.04In stockBuy at Red River Outdoors (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
$733.99
90-day median
90-day low
$611.67
90-day high
$854.16
2-year low
$591.39
Jun 13, 2026
Unchanged for
1 day
Changed today
Every price change (135 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 19, 2026$689.94Down 10.2%
Oct 16, 2026$768.31Up 7.8%
Oct 8, 2026$712.92Up 16.6%
Oct 3, 2026$611.67Down 28.4%
Sep 25, 2026$854.16Up 6.2%
Sep 23, 2026$804.21Up 4.7%
Sep 22, 2026$768.18Up 4.3%
Sep 20, 2026$736.47Up 0.2%
Sep 18, 2026$735.35Down 0.3%
Sep 2, 2026$737.75Down 7.0%
Sep 1, 2026$793.68Down 3.5%
Aug 29, 2026$822.82Up 15.0%
Aug 28, 2026$715.58Down 1.8%
Aug 27, 2026$728.82Down 3.1%
Aug 25, 2026$752.01Up 2.5%
Aug 8, 2026$733.99Down 1.1%
Aug 7, 2026$742.12Up 20.1%
Jul 24, 2026$618.02Down 6.8%
Jul 15, 2026$662.89Up 10.4%
Jul 13, 2026$600.58Down 25.0%
Jul 12, 2026$801.29Up 10.5%
Jul 8, 2026$724.92Up 17.6%
Jul 1, 2026$616.56Up 0.3%
Jun 30, 2026$614.65Down 20.9%
Jun 22, 2026$777.25Up 11.5%
Jun 14, 2026$697.12Up 17.9%
Jun 13, 2026$591.39Down 11.6%
Jun 11, 2026$669.28Down 8.2%
May 25, 2026$728.90Up 1.3%
May 12, 2026$719.52Down 2.9%
May 9, 2026$741.32Up 2.0%
May 7, 2026$726.89Down 5.7%
May 3, 2026$771.02Up 6.2%
May 1, 2026$725.99Up 11.5%
Apr 29, 2026$651.05Down 11.0%
Apr 21, 2026$731.22Up 0.9%
Apr 9, 2026$724.52Down 4.1%
Apr 4, 2026$755.88Up 2.2%
Mar 31, 2026$739.72Down 1.1%
Mar 27, 2026$747.79Up 2.7%
Mar 26, 2026$728.34Up 0.2%
Mar 25, 2026$727.04Up 6.3%
Mar 21, 2026$683.82Down 8.7%
Mar 13, 2026$749.09Up 16.1%
Mar 6, 2026$645.46Down 10.4%
Mar 5, 2026$720.33Down 4.8%
Feb 13, 2026$756.29Up 5.3%
Feb 12, 2026$718.36Down 3.4%
Feb 5, 2026$743.86Down 0.7%
Feb 4, 2026$749.32Up 24.8%
Jan 30, 2026$600.30Down 17.8%
Jan 23, 2026$730.54Down 7.0%
Jan 18, 2026$785.93Up 7.6%
Jan 17, 2026$730.48Down 1.7%
Jan 4, 2026$742.90Down 7.0%
Dec 21, 2025$798.44Up 8.9%
Dec 15, 2025$733.30Down 1.0%
Dec 14, 2025$740.56Down 0.1%
Dec 12, 2025$741.51Up 0.6%
Dec 7, 2025$737.09Up 2.9%
Dec 3, 2025$716.42Down 0.8%
Dec 1, 2025$722.25Down 3.1%
Nov 30, 2025$745.06Up 5.6%
Nov 28, 2025$705.36Down 1.9%
Nov 27, 2025$719.14Up 17.6%
Nov 21, 2025$611.31Down 25.6%
Nov 16, 2025$821.85Up 6.9%
Nov 12, 2025$768.55Up 2.7%
Nov 10, 2025$748.33Up 1.7%
Nov 8, 2025$735.47Down 1.0%
Nov 4, 2025$743.18Up 0.5%
Nov 1, 2025$739.62Up 2.8%
Oct 23, 2025$719.82Up 3.9%
Oct 16, 2025$692.84Up 6.0%
Sep 26, 2025$653.89Down 9.6%
Sep 19, 2025$723.16Down 13.1%
Sep 13, 2025$832.35Up 7.5%
Sep 5, 2025$774.40Up 5.4%
Aug 27, 2025$734.82Down 1.8%
Aug 26, 2025$748.31Up 0.8%
Aug 23, 2025$742.21Up 0.9%
Aug 17, 2025$735.88Down 0.7%
Aug 15, 2025$741.21Down 2.6%
Aug 5, 2025$761.06Up 1.4%
Jul 30, 2025$750.60Down 10.3%
Jul 23, 2025$836.56Up 5.5%
Jul 16, 2025$792.94Up 13.8%
Jul 15, 2025$696.71Down 9.2%
Jul 13, 2025$767.42Up 23.7%
Jul 12, 2025$620.55Down 21.9%
Jul 2, 2025$795.04Up 9.4%
Jun 27, 2025$726.97Down 7.7%
Jun 26, 2025$787.34Up 5.6%
Jun 18, 2025$745.56Up 1.5%
Jun 17, 2025$734.19Down 1.4%
Jun 16, 2025$744.33Up 3.9%
Jun 15, 2025$716.68Down 3.8%
Jun 10, 2025$744.81Down 5.7%
Jun 8, 2025$789.86Down 5.9%
May 30, 2025$839.34Up 12.8%
May 29, 2025$744.01Up 3.3%
May 24, 2025$720.48Down 2.2%
May 19, 2025$736.97Down 0.2%
May 15, 2025$738.29Up 1.5%
May 7, 2025$727.39Up 13.7%
May 6, 2025$639.71Down 19.7%
Apr 27, 2025$796.29Up 20.4%
Mar 30, 2025$661.53Up 2.6%
Mar 28, 2025$644.88Down 13.6%
Mar 21, 2025$746.29Up 0.9%
Mar 20, 2025$739.49Up 14.6%
Mar 16, 2025$645.06Down 13.1%
Mar 15, 2025$742.64Down 0.4%
Mar 14, 2025$745.63Down 5.3%
Feb 23, 2025$787.75Up 3.8%
Feb 22, 2025$758.75Up 9.5%
Feb 21, 2025$692.94Down 0.7%
Feb 5, 2025$697.74Down 17.5%
Feb 4, 2025$846.04Up 13.3%
Feb 3, 2025$746.89Up 0.2%
Feb 2, 2025$745.15Up 12.2%
Jan 30, 2025$663.99Down 4.4%
Jan 28, 2025$694.27Down 5.8%
Jan 26, 2025$736.95Up 9.1%
Jan 16, 2025$675.71Down 19.2%
Jan 11, 2025$835.87Up 10.6%
Dec 28, 2024$755.95Up 18.3%
Dec 27, 2024$639.10Down 12.6%
Dec 18, 2024$731.51Down 0.6%
Dec 17, 2024$735.75Down 1.7%
Dec 1, 2024$748.25Down 0.9%
Nov 26, 2024$755.34Up 6.7%
Nov 6, 2024$707.67Up 3.1%
Nov 1, 2024$686.57Down 6.1%
Oct 24, 2024$731.12Down 9.2%

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 armor Black 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
Armor Black Cerakote
Configuration
Threaded barrel
Condition
New
$689.946% below usual
at Coyote Trail Supply
Buy now at Coyote Trail Supply(opens the store in a new tab)