Save $192.92

Sig Sauer M18 9mm, 3.9 in., 17rd, Black (Police Trade-In)
- 9mm
- 17rd
- 3.9 in.
- Striker-fired
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 stores4.8 (18.2K), in stock,
Compare 7 stores
50+ store clicks this week.
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Ridgeline Arms4.8 4.8(18.2K)store rating | $425.98 | Best price | In stock | Buy at Ridgeline Arms (opens in a new tab) |
Westbound Armory4.7 4.7(4.6K)store rating | $437.48 | +$11.50 | In stock | Buy at Westbound Armory (opens in a new tab) |
Bayou Arms Co.4.1 4.1(1.7K)store rating | $458.95 | +$32.97 | Not reported | Buy at Bayou Arms Co. (opens in a new tab) |
Badlands Tactical4.3 4.3(2.9K)store rating | $461.48 | +$35.50 | Not reported | Buy at Badlands Tactical (opens in a new tab) |
Iron Mesa Armory4.9 4.9(12.7K)store rating | $466.99 | +$41.01 | In stock | Buy at Iron Mesa Armory (opens in a new tab) |
Cedar Hollow Arms4.8 4.8(5.1K)store rating | $480.49 | +$54.51 | In stock | Buy at Cedar Hollow Arms (opens in a new tab) |
Palisade Sporting Goods4.2 4.2(52.8K)store rating | $504.98 | +$79.00 | In stock | Buy 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)
| Date | Lowest price | Change |
|---|---|---|
| Oct 6, 2026 | $425.98 | Up 0.6% |
| Sep 30, 2026 | $423.39 | Down 1.2% |
| Sep 24, 2026 | $428.54 | Up 3.5% |
| Sep 14, 2026 | $414.05 | Down 5.1% |
| Sep 9, 2026 | $436.36 | Down 5.4% |
| Sep 7, 2026 | $461.22 | Up 8.1% |
| Sep 2, 2026 | $426.72 | Down 0.3% |
| Aug 31, 2026 | $428.11 | Up 1.4% |
| Aug 25, 2026 | $422.25 | Up 4.5% |
| Aug 21, 2026 | $404.23 | Up 11.6% |
| Aug 18, 2026 | $362.29 | Down 19.9% |
| Jul 21, 2026 | $452.28 | Up 10.2% |
| Jul 9, 2026 | $410.36 | Down 3.9% |
| Jul 8, 2026 | $426.86 | Down 1.1% |
| Jun 10, 2026 | $431.43 | Down 9.0% |
| Jun 8, 2026 | $474.09 | Up 13.3% |
| Jun 5, 2026 | $418.30 | Up 1.9% |
| Jun 3, 2026 | $410.31 | Up 2.3% |
| May 31, 2026 | $400.99 | Up 11.7% |
| May 29, 2026 | $358.84 | Down 11.6% |
| May 21, 2026 | $405.86 | Up 10.0% |
| May 18, 2026 | $369.04 | Down 8.5% |
| May 14, 2026 | $403.43 | Down 3.2% |
| May 4, 2026 | $416.90 | Up 1.7% |
| Apr 26, 2026 | $409.73 | Up 3.0% |
| Apr 17, 2026 | $397.66 | Up 2.6% |
| Apr 15, 2026 | $387.46 | Down 5.2% |
| Apr 11, 2026 | $408.60 | Up 13.8% |
| Apr 5, 2026 | $359.20 | Down 13.8% |
| Mar 31, 2026 | $416.74 | Up 25.9% |
| Mar 25, 2026 | $330.92 | Down 10.3% |
| Mar 16, 2026 | $369.08 | Down 18.1% |
| Mar 6, 2026 | $450.52 | Up 16.1% |
| Feb 28, 2026 | $387.99 | Down 7.1% |
| Feb 18, 2026 | $417.83 | Up 3.8% |
| Feb 6, 2026 | $402.43 | Down 2.2% |
| Feb 4, 2026 | $411.33 | Down 0.7% |
| Feb 2, 2026 | $414.12 | Down 0.4% |
| Jan 28, 2026 | $415.83 | Up 4.3% |
| Jan 22, 2026 | $398.70 | Down 0.1% |
| Jan 19, 2026 | $399.21 | Up 0.6% |
| Jan 17, 2026 | $396.67 | Down 3.3% |
| Jan 4, 2026 | $410.06 | Up 2.1% |
| Dec 31, 2025 | $401.58 | Up 2.5% |
| Dec 28, 2025 | $391.64 | Down 2.9% |
| Dec 23, 2025 | $403.36 | Up 1.4% |
| Dec 6, 2025 | $397.72 | Down 0.5% |
| Dec 4, 2025 | $399.67 | Down 13.0% |
| Nov 29, 2025 | $459.36 | Up 13.6% |
| Nov 28, 2025 | $404.51 | Down 3.3% |
| Nov 27, 2025 | $418.34 | Up 27.7% |
| Nov 24, 2025 | $327.57 | Down 17.8% |
| Nov 23, 2025 | $398.50 | Up 22.6% |
| Nov 19, 2025 | $325.10 | Down 17.6% |
| Nov 9, 2025 | $394.62 | Up 15.2% |
| Nov 7, 2025 | $342.68 | Down 13.3% |
| Oct 27, 2025 | $395.40 | Up 15.7% |
| Oct 20, 2025 | $341.82 | Down 2.1% |
| Sep 26, 2025 | $349.17 | Down 12.9% |
| Sep 25, 2025 | $400.92 | Down 1.6% |
| Sep 17, 2025 | $407.63 | Up 5.6% |
| Aug 27, 2025 | $385.89 | Down 3.1% |
| Aug 17, 2025 | $398.04 | Down 1.6% |
| Aug 9, 2025 | $404.60 | Up 3.2% |
| Aug 8, 2025 | $391.98 | Up 11.8% |
| Aug 7, 2025 | $350.53 | Down 5.4% |
| Jul 22, 2025 | $370.71 | Down 4.7% |
| Jul 20, 2025 | $388.95 | Up 8.6% |
| Jul 17, 2025 | $358.19 | Down 7.8% |
| Jul 15, 2025 | $388.29 | Down 5.0% |
| Jul 9, 2025 | $408.88 | Up 23.5% |
| Jul 7, 2025 | $330.99 | Down 14.9% |
| Jul 4, 2025 | $389.15 | Up 7.5% |
| Jun 27, 2025 | $362.06 | Down 6.4% |
| Jun 21, 2025 | $386.62 | Up 1.6% |
| Jun 17, 2025 | $380.59 | Up 0.8% |
| Jun 14, 2025 | $377.40 | Down 3.4% |
| May 31, 2025 | $390.62 | Down 10.1% |
| May 7, 2025 | $434.28 | Up 11.9% |
| Apr 24, 2025 | $388.15 | Down 10.8% |
| Apr 23, 2025 | $434.96 | Up 12.1% |
| Mar 29, 2025 | $388.06 | Up 11.5% |
| Mar 27, 2025 | $348.06 | Up 9.8% |
| Mar 19, 2025 | $317.07 | Down 22.1% |
| Mar 15, 2025 | $407.02 | Up 6.4% |
| Mar 14, 2025 | $382.61 | Up 17.4% |
| Mar 6, 2025 | $325.95 | Down 12.2% |
| Mar 4, 2025 | $371.32 | Down 6.7% |
| Mar 2, 2025 | $397.78 | Up 7.7% |
| Feb 19, 2025 | $369.36 | Down 3.6% |
| Feb 16, 2025 | $382.99 | Down 9.9% |
| Feb 12, 2025 | $425.08 | Up 15.4% |
| Feb 10, 2025 | $368.42 | Up 3.5% |
| Feb 6, 2025 | $355.83 | Down 3.0% |
| Jan 16, 2025 | $366.72 | Down 2.2% |
| Jan 15, 2025 | $375.05 | Up 2.8% |
| Jan 13, 2025 | $364.95 | Down 4.2% |
| Jan 9, 2025 | $380.81 | Down 0.8% |
| Jan 2, 2025 | $384.04 | Down 9.3% |
| Dec 31, 2024 | $423.19 | Up 12.3% |
| Dec 27, 2024 | $376.95 | Down 11.8% |
| Dec 22, 2024 | $427.17 | Up 15.0% |
| Dec 18, 2024 | $371.57 | Down 0.7% |
| Dec 17, 2024 | $374.08 | Up 13.9% |
| Dec 7, 2024 | $328.54 | Down 11.7% |
| Nov 28, 2024 | $372.12 | Up 2.9% |
| Nov 26, 2024 | $361.47 | Up 3.3% |
| Nov 22, 2024 | $349.85 | Down 5.8% |
| Nov 16, 2024 | $371.52 | Down 8.3% |
| Nov 13, 2024 | $405.31 | Up 1.4% |
| Nov 10, 2024 | $399.65 | Up 4.3% |
| Oct 30, 2024 | $383.26 | Up 0.1% |
| Oct 24, 2024 | $382.85 | Up 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



