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Sig Sauer

Sig Sauer MPX K 9mm Threaded Barrel, 4.5 in., 30rd, OD Green

  • 9mm
  • 30rd
  • 4.5 in.
  • Semi-auto
$1,827.49

About usual: it usually sells for $1,821.14, its median price over the last 90 days.

$1,809.99 + $17.50 shipping to your FFL dealer, before tax and the transfer fee. 14% under MSRP.

Northfork Firearms

Lowest of 3 stores

4.7 (7.3K), in stock,

Buy at Northfork Firearms(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 MPX K 9mm Threaded Barrel, 4.5 in., 30rd, OD Green, ranked by landed price
StoreLanded priceVersus bestStockStore link
Northfork Firearms4.7
$1,827.49Best priceIn stockBuy at Northfork Firearms (opens in a new tab)
Badlands Tactical4.3
$1,894.99+$67.50Not reportedBuy at Badlands Tactical (opens in a new tab)
Granite Peak Supply4.6
$1,948.99+$121.50In stockBuy at Granite Peak Supply (opens in a new tab)
Ridgeline Arms4.8
$1,894.98Not availableOut of stockView at Ridgeline Arms (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
$1,821.14
90-day median
90-day low
$1,583.67
90-day high
$2,023.90
2-year low
$1,348.96
May 21, 2025
Unchanged for
9 days
Since Oct 11, 2026
Every price change (123 in 2 years)
Every change of the lowest landed price, newest first
DateLowest priceChange
Oct 11, 2026$1,827.49Down 9.0%
Oct 3, 2026$2,008.95Up 14.2%
Sep 18, 2026$1,759.71Down 2.6%
Sep 17, 2026$1,806.32Up 2.7%
Sep 16, 2026$1,758.57Up 2.2%
Sep 14, 2026$1,721.33Down 14.9%
Sep 7, 2026$2,023.90Up 12.5%
Sep 6, 2026$1,799.15Up 1.0%
Sep 5, 2026$1,781.69Up 12.5%
Aug 30, 2026$1,583.67Down 14.4%
Aug 27, 2026$1,850.31Up 1.3%
Aug 23, 2026$1,826.16Down 2.8%
Aug 18, 2026$1,878.63Up 1.1%
Aug 16, 2026$1,858.79Up 16.4%
Aug 14, 2026$1,596.86Down 11.2%
Aug 8, 2026$1,798.40Down 1.2%
Jul 25, 2026$1,821.14Down 4.6%
Jul 24, 2026$1,908.91Up 12.9%
Jul 18, 2026$1,690.28Down 2.5%
Jul 16, 2026$1,734.01Down 1.2%
Jul 12, 2026$1,754.75Up 0.4%
Jul 11, 2026$1,748.41Up 8.8%
Jun 28, 2026$1,607.16Down 10.5%
Jun 26, 2026$1,794.74Up 9.1%
Jun 18, 2026$1,645.02Down 8.2%
Jun 17, 2026$1,791.13Down 2.8%
Jun 9, 2026$1,842.14Up 16.6%
May 22, 2026$1,580.02Down 12.4%
May 21, 2026$1,804.04Up 0.8%
May 19, 2026$1,789.46Up 4.5%
May 16, 2026$1,711.81Down 6.2%
May 9, 2026$1,825.39Down 0.3%
Apr 20, 2026$1,831.45Up 7.6%
Apr 17, 2026$1,702.56Down 1.7%
Apr 12, 2026$1,731.32Down 3.9%
Apr 9, 2026$1,800.71Up 3.9%
Apr 3, 2026$1,732.84Down 3.1%
Apr 2, 2026$1,788.13Up 0.3%
Mar 31, 2026$1,782.71Down 0.3%
Mar 24, 2026$1,787.51Down 3.4%
Mar 20, 2026$1,849.95Up 28.3%
Mar 10, 2026$1,441.78Down 18.5%
Mar 8, 2026$1,769.61Down 7.8%
Mar 6, 2026$1,918.44Up 30.1%
Feb 24, 2026$1,474.04Down 15.1%
Feb 17, 2026$1,736.84Up 3.3%
Feb 11, 2026$1,681.48Down 0.4%
Feb 4, 2026$1,687.42Up 12.3%
Jan 30, 2026$1,502.82Down 13.7%
Jan 27, 2026$1,741.37Down 5.0%
Jan 26, 2026$1,832.18Up 23.1%
Jan 22, 2026$1,488.53Down 11.1%
Jan 21, 2026$1,673.83Down 16.0%
Jan 19, 2026$1,991.84Up 28.9%
Jan 11, 2026$1,545.52Down 8.8%
Jan 1, 2026$1,695.45Up 0.2%
Dec 24, 2025$1,691.49Down 1.3%
Dec 21, 2025$1,714.25Down 1.6%
Dec 19, 2025$1,742.16Up 0.1%
Dec 5, 2025$1,741.28Down 2.7%
Nov 25, 2025$1,789.91Up 3.8%
Nov 21, 2025$1,724.58Up 3.3%
Oct 26, 2025$1,669.16Up 0.4%
Oct 25, 2025$1,662.46Down 10.8%
Oct 16, 2025$1,863.94Up 7.1%
Oct 13, 2025$1,739.90Up 13.4%
Oct 6, 2025$1,533.85Up 8.6%
Sep 20, 2025$1,412.92Down 12.5%
Sep 18, 2025$1,613.99Down 8.4%
Sep 14, 2025$1,761.67Up 14.4%
Sep 13, 2025$1,540.11Down 12.1%
Sep 9, 2025$1,753.04Up 0.3%
Sep 7, 2025$1,748.54Up 1.1%
Aug 26, 2025$1,729.59Up 0.1%
Aug 17, 2025$1,727.07Up 3.9%
Aug 8, 2025$1,661.93Up 11.3%
Aug 6, 2025$1,492.87Down 7.0%
Aug 4, 2025$1,604.80Down 17.3%
Jul 31, 2025$1,939.37Up 22.3%
Jul 24, 2025$1,585.61Down 7.6%
Jul 14, 2025$1,715.70Up 2.4%
Jul 10, 2025$1,675.30Down 4.2%
Jul 5, 2025$1,748.44Down 10.3%
Jul 4, 2025$1,948.15Up 13.6%
Jun 29, 2025$1,715.01Up 20.6%
Jun 8, 2025$1,422.47Down 5.7%
Jun 7, 2025$1,508.76Up 3.0%
May 25, 2025$1,464.17Down 13.8%
May 23, 2025$1,698.58Up 1.5%
May 22, 2025$1,673.02Up 24.0%
May 20, 2025$1,348.96Down 18.4%
May 15, 2025$1,652.65Down 2.3%
May 10, 2025$1,691.70Up 0.4%
May 4, 2025$1,685.08Down 6.5%
May 3, 2025$1,802.45Up 7.5%
Apr 30, 2025$1,676.01Up 2.1%
Apr 22, 2025$1,641.21Down 1.8%
Apr 17, 2025$1,671.83Down 1.8%
Apr 11, 2025$1,702.27Up 3.3%
Apr 8, 2025$1,647.15Up 15.3%
Apr 7, 2025$1,428.30Down 12.9%
Apr 1, 2025$1,640.04Down 0.6%
Mar 31, 2025$1,650.71Up 19.3%
Mar 14, 2025$1,383.92Down 18.3%
Mar 11, 2025$1,694.87Down 2.2%
Mar 3, 2025$1,732.61Up 5.3%
Feb 12, 2025$1,645.94Up 1.0%
Feb 7, 2025$1,630.24Down 4.4%
Jan 27, 2025$1,705.27Up 3.7%
Jan 20, 2025$1,644.91Up 4.0%
Jan 16, 2025$1,581.30Down 4.3%
Jan 14, 2025$1,652.63Up 6.7%
Dec 24, 2024$1,549Down 8.9%
Dec 23, 2024$1,699.76Up 2.4%
Dec 8, 2024$1,659.82Down 0.4%
Dec 4, 2024$1,667.21Up 1.5%
Dec 3, 2024$1,643.23Up 1.0%
Nov 27, 2024$1,626.64Up 16.3%
Nov 25, 2024$1,398.19Down 17.3%
Nov 14, 2024$1,690.35Up 6.0%
Nov 10, 2024$1,594.28Down 2.6%
Nov 2, 2024$1,637.66Down 0.1%
Oct 25, 2024$1,638.81Down 2.0%

About this product

The Sig Sauer MPX K 9mm Threaded Barrel is a rifle chambered in 9mm Luger, with a semi-auto action, a 4.5-inch barrel and a 30-round capacity. This listing is the oD Green 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
Rifle
Action
Semi-auto
Capacity
30 rounds
Barrel length
4.5 in.
Finish
OD Green
Configuration
Threaded barrel
Condition
New