Smith & Wesson MAG S&W M&P 40SW/357SIG 15RD
$37.10
Enhance your Smith & Wesson M&P with this durable .40/.357 Sig magazine, boasting a 15-round capacity for extended shooting sessions. Designed for reliability and performance, it’s the perfect accessory for both competitive shooters and home defense. Keep your firearm ready to perform with this essential magazine upgrade.
42 in stock
This Smith & Wesson factory magazine fits M&P pistols chambered in .40 S&W or .357 Sig. It has a 15-round capacity, steel construction, and a black finish.
- Manufacturer: Smith & Wesson
- Fits: M&P
- Caliber: .40 S&W / .357 Sig
- Capacity: 15 rounds
- Material: Steel
- Finish: Black
- Manufacturer Part Number: MGSW19439
- UPC: 022188127935
| Weight | 0.250 lbs |
|---|---|
| Dimensions | 9.250 × 4.000 × 2.000 in |
| Manufacturer | Smith & Wesson Inc. |
| Capacity | 15 |
| Caliber | 40 S&W |
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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