Home / Products / Warne / Warne S&W M&P 9/40 Magazine Extension Blue +3/9mm +2/.40 Capacity
2% below avg
Warne S&W M&P 9/40 Magazine Extension Blue +3/9mm +2/.40 Capacity

Warne S&W M&P 9/40 Magazine Extension Blue +3/9mm +2/.40 Capacity

Lowest Listed Price
$18.82
MSRP
$19.65
Savings
4% off
Retailers Reporting In Stock
1 Stores
Updated
Sep 2, 2026

Specifications

Brand
MPN
3307
UPC
656813108091

Description

The Warne S&W M&P 9/40 magazine extension is a vital upgrade that significantly enhances your firearm's performance and capacity. Specifically designed to fit the S&W M&P 9/40, this blue magazine extension increases your magazine's capacity by +3 rounds for 9mm and +2 rounds for .40 caliber, making it an essential accessory for those looking to maximize their shooting potential. Crafted with robust materials, the Warne mag extension ensures reliable feeding and improved handling, making it ideal for both competitive shooting and personal defense situations. This upgrade not only boosts your firearm's capacity but also enhances its overall functionality, providing a tactical advantage in various shooting environments. The precision engineering behind the Warne handgun magazine extension guarantees durability and optimal performance, even under rigorous use. Its sleek blue finish not only complements the aesthetics of your S&W M&P 9/40 but also adds a touch of style to its formidable capabilities. Whether you're a professional shooter or a firearm enthusiast, the Warne mag extension is a valuable addition to your gear, offering increased capacity and reliability when you need it most.
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.