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Sig Sauer

Sig Sauer M18 9mm with Holosun 508T, 3.9 in., 17rd, Robin's Egg Blue Cerakote

  • 9mm
  • 17rd
  • 3.9 in.
  • Striker-fired
$1,079.99

About usual: it usually sells for $1,062.83, its median price over the last 90 days.

$1,060 + $19.99 shipping to your FFL dealer, before tax and the transfer fee. 11% under MSRP.

Westbound Armory

Lowest of 4 stores

4.7 (4.6K), in stock,

Buy at Westbound Armory(opens the store in a new tab)

Compare 4 stores

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

Stores selling Sig Sauer M18 9mm with Holosun 508T, 3.9 in., 17rd, Robin's Egg Blue Cerakote, ranked by landed price
StoreLanded priceVersus bestStockStore link
Westbound Armory4.7
$1,079.99Best priceIn stockBuy at Westbound Armory (opens in a new tab)
Bayou Arms Co.4.1
$1,080.99+$1.00Not reportedBuy at Bayou Arms Co. (opens in a new tab)
Northfork Firearms4.7
$1,156.50+$76.51In stockBuy at Northfork Firearms (opens in a new tab)
Gulf Coast Guns4.6
$1,209.98+$129.99In stockBuy at Gulf Coast 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
$1,062.83
90-day median
90-day low
$916.99
90-day high
$1,113.29
2-year low
$820.38
Apr 2, 2025
Unchanged for
4 days
Since Oct 16, 2026
Every price change (126 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 16, 2026$1,079.99Down 1.1%
Oct 5, 2026$1,091.79Down 1.9%
Sep 30, 2026$1,113.29Up 4.2%
Sep 28, 2026$1,068.15Down 1.7%
Sep 27, 2026$1,086.40Down 1.3%
Sep 16, 2026$1,100.22Up 3.5%
Sep 2, 2026$1,062.83Down 0.6%
Aug 31, 2026$1,068.90Down 2.4%
Aug 28, 2026$1,095.24Up 3.6%
Aug 24, 2026$1,057.12Down 0.3%
Aug 20, 2026$1,060.09Up 15.6%
Aug 18, 2026$916.99Down 10.4%
Aug 11, 2026$1,023Down 2.8%
Aug 6, 2026$1,052.24Up 3.9%
Aug 4, 2026$1,013.10Down 8.9%
Aug 3, 2026$1,112.07Up 6.0%
Aug 1, 2026$1,049.46Down 0.7%
Jul 24, 2026$1,057.02Up 2.4%
Jul 23, 2026$1,032.14Down 0.1%
Jul 21, 2026$1,032.74Down 5.8%
Jul 19, 2026$1,096.27Down 7.7%
Jul 15, 2026$1,187.21Up 18.4%
Jun 30, 2026$1,002.69Down 6.4%
Jun 28, 2026$1,071.18Up 2.8%
Jun 20, 2026$1,042.41Down 3.4%
Jun 13, 2026$1,078.69Down 0.5%
Jun 1, 2026$1,084.32Up 13.5%
May 28, 2026$955.10Down 5.2%
May 25, 2026$1,007.52Down 5.6%
May 19, 2026$1,067.38Up 2.2%
May 18, 2026$1,044.09Down 2.3%
May 15, 2026$1,068.15Up 8.9%
May 6, 2026$980.42Down 5.4%
May 4, 2026$1,036.68Down 2.1%
Apr 21, 2026$1,059.02Down 0.9%
Apr 17, 2026$1,068.71Up 1.3%
Apr 6, 2026$1,055.38Down 3.5%
Apr 5, 2026$1,093.69Up 3.4%
Mar 27, 2026$1,058.04Up 6.0%
Mar 25, 2026$997.99Down 5.4%
Mar 24, 2026$1,054.43Down 0.9%
Mar 15, 2026$1,064.38Up 25.0%
Mar 6, 2026$851.35Down 17.3%
Mar 2, 2026$1,028.98Down 13.7%
Mar 1, 2026$1,192.76Up 17.8%
Feb 23, 2026$1,012.88Up 9.3%
Feb 19, 2026$926.61Down 15.2%
Feb 8, 2026$1,092.76Up 3.1%
Feb 2, 2026$1,060.23Down 7.6%
Feb 1, 2026$1,146.96Up 11.1%
Jan 29, 2026$1,032.25Up 1.2%
Jan 12, 2026$1,019.94Down 0.5%
Jan 10, 2026$1,025.33Down 0.0%
Jan 4, 2026$1,025.67Down 8.6%
Dec 20, 2025$1,121.76Up 6.3%
Dec 17, 2025$1,054.96Up 0.8%
Dec 16, 2025$1,046.81Down 0.7%
Dec 9, 2025$1,054.16Down 9.2%
Dec 3, 2025$1,161.10Up 10.2%
Nov 29, 2025$1,053.77Up 21.5%
Nov 16, 2025$867.03Down 14.6%
Nov 9, 2025$1,014.95Down 1.8%
Nov 8, 2025$1,033.46Down 2.6%
Nov 6, 2025$1,061.04Up 8.8%
Oct 29, 2025$974.82Down 7.7%
Oct 21, 2025$1,055.88Up 19.8%
Oct 19, 2025$881.06Down 16.5%
Oct 17, 2025$1,055Up 4.3%
Oct 15, 2025$1,011.43Down 1.1%
Oct 6, 2025$1,022.23Down 10.1%
Sep 25, 2025$1,136.84Down 1.3%
Sep 22, 2025$1,151.68Up 21.9%
Sep 17, 2025$944.68Down 0.9%
Sep 8, 2025$953.24Down 15.6%
Sep 6, 2025$1,128.81Up 9.1%
Aug 20, 2025$1,034.92Up 0.6%
Aug 19, 2025$1,028.33Up 16.1%
Aug 13, 2025$885.92Down 13.9%
Aug 10, 2025$1,028.35Up 14.7%
Aug 4, 2025$896.55Down 12.5%
Jul 20, 2025$1,024.97Down 2.0%
Jul 18, 2025$1,046.30Down 1.0%
Jul 17, 2025$1,056.67Up 3.4%
Jul 11, 2025$1,022.23Down 1.5%
Jul 6, 2025$1,038.05Up 0.8%
Jul 5, 2025$1,029.39Up 18.2%
Jul 2, 2025$871.03Down 17.1%
Jul 1, 2025$1,051.32Up 27.0%
Jun 25, 2025$827.83Down 14.0%
Jun 14, 2025$963.09Up 1.2%
Jun 9, 2025$951.68Down 6.6%
Jun 7, 2025$1,018.69Up 2.7%
May 14, 2025$992.01Down 3.2%
May 12, 2025$1,024.41Down 7.3%
May 10, 2025$1,104.75Up 29.0%
Apr 29, 2025$856.46Down 18.0%
Apr 17, 2025$1,044.75Down 0.5%
Apr 5, 2025$1,050.12Up 2.7%
Apr 3, 2025$1,022.09Up 24.6%
Mar 24, 2025$820.38Down 20.4%
Mar 21, 2025$1,030.14Up 1.6%
Mar 7, 2025$1,013.57Up 11.1%
Mar 2, 2025$912.61Down 3.2%
Feb 18, 2025$942.84Down 8.8%
Feb 17, 2025$1,034.17Up 2.6%
Feb 15, 2025$1,007.95Down 1.9%
Feb 12, 2025$1,027.69Down 0.3%
Feb 1, 2025$1,030.32Up 1.3%
Jan 26, 2025$1,017.07Up 6.2%
Jan 20, 2025$957.36Down 4.6%
Jan 18, 2025$1,003.81Up 6.1%
Jan 15, 2025$946.24Down 4.1%
Jan 12, 2025$986.72Down 2.8%
Jan 9, 2025$1,014.97Up 1.8%
Dec 19, 2024$997.46Down 5.0%
Dec 13, 2024$1,050.16Up 9.0%
Dec 11, 2024$963.43Up 14.3%
Dec 10, 2024$843.04Down 22.2%
Dec 8, 2024$1,083.02Up 6.4%
Dec 7, 2024$1,017.71Down 1.6%
Nov 30, 2024$1,034.08Up 1.9%
Nov 27, 2024$1,014.40Up 1.4%
Nov 22, 2024$1,000.26Up 14.1%
Nov 19, 2024$876.30Down 14.6%
Nov 17, 2024$1,026.40Up 1.7%
Oct 25, 2024$1,009.37Up 1.0%

About this product

The Sig Sauer M18 9mm with Holosun 508T 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 robin's Egg Blue Cerakote finish in the with red dot 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
Robin's Egg Blue Cerakote
Configuration
With red dot
Condition
New