PROMAG S & W SHIELD .40 S&W 7RD BLUE STEEL MAGAZINE
$18.03
The ProMag S&W Shield .40 S&W 7-round magazine offers reliable performance with its durable heat-treated blued-steel construction and innovative TECHNAPOLYMER components. Designed to maintain readiness for up to six years, this magazine features an anti-fatigue spring and a lifetime warranty, making it an essential accessory for your Smith & Wesson Shield. Perfect for enhancing your home defense or range shooting experience.
6 in stock
ProMag SMI 30 – a 7-round magazine for the Smith & Wesson Shield in .40 caliber. Constructed from heat-treated blued-steel components molded from ProMag proprietary TECHNAPOLYMER and their anti-fatigue spring so you can keep the magazine loaded and ready for up to six years without concern. ProMag magazines are made in Phoenix Arizona and come with a lifetime warranty.
Frequently asked questions
What firearm and caliber is this magazine for?
It is designed for the Smith & Wesson Shield chambered in .40 caliber.
What is the magazine capacity?
The magazine holds 7 rounds.
What materials and spring does it use?
It uses heat-treated blued-steel components, ProMag proprietary TECHNAPOLYMER, and an anti-fatigue spring.
Does this magazine include a warranty?
Yes. ProMag magazines come with a lifetime warranty.
| Weight | 0.230 lbs |
|---|---|
| Dimensions | 9.200 × 2.900 × 1.600 in |
| Manufacturer | ProMag Industries |
| Capacity | 7 |
| Finish | Blue |
| Frame Material | Steel |
| 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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