Sig Sauer MPX 9mm Handgun Magazine 20/rd
$44.11
The Sig Sauer MPX 9mm Handgun Magazine offers a reliable 20-round capacity, expertly crafted with durable metal feed-lips and a lightweight polymer body for optimal shape retention. Designed over two years, this magazine meets Sig Sauer’s rigorous quality standards, ensuring peak performance in your MPX platform. Elevate your shooting experience with this robust and dependable magazine.
Out of stock
The SIG SAUER enhanced factory MPX 20-round 9mm magazine combines the best of metal and polymer designs. It features metal feed-lips for enhanced durability and a robust yet lightweight polymer body for shape retention. The SIG SAUER MPX Magazine is the result of a 2-year design project to create a magazine that met all of the SIG quality and reliability standards while providing even higher performance in the MPX platform.
| Weight | 0.570 lbs |
|---|---|
| Dimensions | 10.000 × 3.850 × 1.350 in |
| Manufacturer | Sig Sauer |
| Capacity | 20 |
| Frame Material | Polymer |
| Caliber | 9mm |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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