$109.94Usually $117.84
Save $7.90
Sig Sauer OEM 20rd Magazine for Sig MPX, 9mm, Black, 3-Pack
Big Sky Ammo4.3Price dropped
20rdBlack
Sig Sauer OEM 20rd Magazine for Sig MPX, 9mm, Black
- Sig MPX
- 20rd
- Steel
- Single
- 27% below usual
- Lowest in 90 days
$36.94Usually $50.42
Save $13.48
Lower than usual: it usually sells for $50.42, its median price over the last 90 days.
$30.99 + $5.95 shipping, before tax. 33% under MSRP.
Keystone Shooting Supply
Lowest of 3 stores4.8 (24.5K), in stock,
Compare 3 stores
Ranked by landed price: the item plus shipping to you, before tax.
| Store | Landed price | Versus best | Stock | Store link |
|---|---|---|---|---|
Keystone Shooting Supply4.8 4.8(24.5K)store rating | $36.94 | Best price | In stock | Buy at Keystone Shooting Supply (opens in a new tab) |
 Great Lakes Tactical4.4 4.4(5.5K)store rating | $37.48 | +$0.54 | In stock | Buy at Great Lakes Tactical (opens in a new tab) |
 Timber Ridge Sporting4.6 4.6(41.3K)store rating | $41.94 | +$5.00 | In stock | Buy at Timber Ridge Sporting (opens in a new tab) |
Price history
The lowest price and each store's own, every day for 2 years.
- Usual
- $50.42
- 90-day median
- 90-day low
- $36.94
- Today's price
- 90-day high
- $57.96
- 2-year low
- $36.94
- Oct 19, 2026
- Unchanged for
- 5 days
- Since Oct 15, 2026
Every price change (121 in 2 years)
| Date | Lowest price | Change |
|---|---|---|
| Oct 15, 2026 | $36.94 | Down 27.3% |
| Oct 9, 2026 | $50.81 | Up 2.2% |
| Oct 6, 2026 | $49.72 | Down 14.2% |
| Sep 29, 2026 | $57.96 | Up 23.2% |
| Sep 28, 2026 | $47.05 | Down 4.9% |
| Sep 21, 2026 | $49.50 | Down 1.8% |
| Sep 16, 2026 | $50.42 | Up 5.9% |
| Sep 11, 2026 | $47.60 | Down 4.2% |
| Sep 10, 2026 | $49.70 | Down 0.4% |
| Sep 8, 2026 | $49.92 | Down 1.5% |
| Aug 31, 2026 | $50.68 | Down 3.3% |
| Aug 23, 2026 | $52.42 | Up 11.5% |
| Aug 22, 2026 | $47.00 | Down 3.0% |
| Aug 21, 2026 | $48.47 | Up 6.2% |
| Aug 16, 2026 | $45.63 | Down 11.3% |
| Aug 15, 2026 | $51.45 | Down 1.2% |
| Aug 13, 2026 | $52.05 | Up 18.9% |
| Aug 9, 2026 | $43.77 | Down 15.8% |
| Aug 2, 2026 | $51.99 | Up 3.5% |
| Jul 31, 2026 | $50.24 | Down 1.1% |
| Jul 30, 2026 | $50.80 | Down 1.1% |
| Jul 28, 2026 | $51.36 | Up 7.8% |
| Jul 23, 2026 | $47.65 | Down 5.2% |
| Jul 18, 2026 | $50.25 | Up 12.6% |
| Jul 15, 2026 | $44.64 | Down 14.2% |
| Jul 13, 2026 | $52.01 | Down 1.2% |
| Jul 11, 2026 | $52.62 | Down 2.4% |
| Jul 1, 2026 | $53.89 | Up 4.6% |
| Jun 24, 2026 | $51.50 | Up 0.3% |
| Jun 10, 2026 | $51.33 | Up 24.9% |
| May 31, 2026 | $41.09 | Down 19.0% |
| May 27, 2026 | $50.75 | Down 5.3% |
| May 21, 2026 | $53.58 | Up 2.9% |
| Apr 29, 2026 | $52.09 | Up 18.9% |
| Apr 28, 2026 | $43.82 | Down 7.6% |
| Apr 23, 2026 | $47.42 | Down 10.4% |
| Apr 4, 2026 | $52.95 | Down 2.0% |
| Mar 31, 2026 | $54.04 | Up 5.0% |
| Mar 24, 2026 | $51.48 | Up 7.4% |
| Feb 25, 2026 | $47.94 | Down 7.4% |
| Feb 24, 2026 | $51.78 | Up 0.6% |
| Feb 18, 2026 | $51.46 | Up 1.8% |
| Feb 16, 2026 | $50.53 | Down 3.4% |
| Feb 14, 2026 | $52.32 | Up 9.3% |
| Jan 29, 2026 | $47.89 | Down 15.6% |
| Jan 25, 2026 | $56.73 | Up 20.8% |
| Jan 17, 2026 | $46.95 | Down 9.9% |
| Jan 14, 2026 | $52.12 | Up 3.6% |
| Jan 10, 2026 | $50.32 | Down 7.2% |
| Dec 20, 2025 | $54.25 | Up 5.7% |
| Dec 16, 2025 | $51.32 | Up 1.4% |
| Dec 13, 2025 | $50.59 | Down 16.5% |
| Dec 10, 2025 | $60.56 | Up 35.1% |
| Dec 3, 2025 | $44.84 | Down 14.1% |
| Dec 2, 2025 | $52.21 | Down 1.2% |
| Nov 28, 2025 | $52.82 | Up 1.4% |
| Nov 16, 2025 | $52.08 | Up 0.3% |
| Oct 30, 2025 | $51.91 | Down 1.5% |
| Oct 21, 2025 | $52.68 | Down 5.5% |
| Oct 17, 2025 | $55.73 | Up 3.1% |
| Oct 16, 2025 | $54.06 | Up 1.9% |
| Oct 5, 2025 | $53.07 | Up 7.3% |
| Oct 2, 2025 | $49.45 | Down 13.7% |
| Sep 29, 2025 | $57.28 | Up 8.0% |
| Sep 28, 2025 | $53.06 | Up 17.4% |
| Sep 21, 2025 | $45.18 | Down 15.3% |
| Sep 19, 2025 | $53.34 | Down 0.9% |
| Sep 16, 2025 | $53.84 | Down 1.7% |
| Sep 14, 2025 | $54.79 | Up 0.1% |
| Sep 12, 2025 | $54.76 | Up 0.3% |
| Sep 9, 2025 | $54.57 | Up 1.1% |
| Sep 6, 2025 | $53.96 | Up 13.9% |
| Aug 10, 2025 | $47.38 | Down 13.0% |
| Jul 20, 2025 | $54.43 | Down 1.6% |
| Jul 19, 2025 | $55.33 | Down 3.2% |
| Jun 26, 2025 | $57.18 | Down 6.8% |
| Jun 24, 2025 | $61.32 | Up 16.0% |
| Jun 12, 2025 | $52.85 | Down 0.4% |
| Jun 9, 2025 | $53.04 | Down 0.8% |
| May 23, 2025 | $53.46 | Down 2.3% |
| May 22, 2025 | $54.70 | Up 27.2% |
| May 21, 2025 | $43.00 | Down 22.0% |
| May 19, 2025 | $55.12 | Down 9.9% |
| May 17, 2025 | $61.20 | Up 9.4% |
| May 12, 2025 | $55.92 | Up 2.0% |
| May 6, 2025 | $54.83 | Down 11.8% |
| May 5, 2025 | $62.14 | Up 1.1% |
| May 4, 2025 | $61.45 | Up 18.7% |
| Apr 26, 2025 | $51.76 | Down 4.7% |
| Apr 3, 2025 | $54.31 | Up 2.6% |
| Apr 2, 2025 | $52.92 | Up 3.0% |
| Mar 31, 2025 | $51.40 | Up 16.8% |
| Mar 27, 2025 | $44.02 | Down 14.9% |
| Mar 23, 2025 | $51.75 | Up 18.4% |
| Mar 12, 2025 | $43.70 | Down 17.8% |
| Mar 11, 2025 | $53.16 | Down 2.7% |
| Mar 9, 2025 | $54.62 | Up 3.7% |
| Feb 28, 2025 | $52.65 | Up 14.4% |
| Feb 26, 2025 | $46.01 | Down 14.7% |
| Feb 25, 2025 | $53.91 | Up 1.8% |
| Jan 28, 2025 | $52.96 | Down 12.2% |
| Jan 27, 2025 | $60.29 | Up 27.4% |
| Jan 18, 2025 | $47.33 | Down 7.6% |
| Jan 17, 2025 | $51.24 | Down 8.0% |
| Jan 16, 2025 | $55.69 | Up 19.5% |
| Jan 12, 2025 | $46.59 | Down 14.7% |
| Jan 8, 2025 | $54.62 | Down 2.9% |
| Jan 5, 2025 | $56.28 | Up 1.1% |
| Dec 31, 2024 | $55.67 | Down 6.1% |
| Dec 29, 2024 | $59.30 | Up 7.4% |
| Dec 27, 2024 | $55.20 | Down 6.1% |
| Dec 8, 2024 | $58.80 | Down 4.7% |
| Dec 6, 2024 | $61.72 | Up 0.7% |
| Dec 5, 2024 | $61.27 | Up 10.2% |
| Dec 4, 2024 | $55.59 | Down 1.8% |
| Dec 1, 2024 | $56.61 | Up 7.4% |
| Nov 29, 2024 | $52.71 | Down 5.0% |
| Nov 22, 2024 | $55.47 | Down 7.8% |
| Nov 20, 2024 | $60.17 | Up 1.2% |
| Oct 26, 2024 | $59.48 | Up 7.2% |
| Oct 22, 2024 | $55.51 | Down 4.2% |
About this product
A 20-round magazine for the Sig MPX in 9mm Luger, with a steel body in black. Single magazine per order. Some states limit magazine capacity; check your local law before ordering.
- Fits
- Sig MPX
- Caliber
- 9mm Luger
- Capacity
- 20 rounds
- Material
- Steel
- Color
- Black
- Pack size
- Single magazine
$36.9427% below usual
at Keystone Shooting Supply