Description
The Shield Arms MPME5RED magazine extension is built for anyone running Smith & Wesson M&P 2.0 platforms who want to carry more rounds without swapping magazines. This extension adds a flat five rounds to standard OEM M&P 2.0 magazines in both 9mm and .40 caliber, and it fits the 12, 15, and 17 round factory magazine bodies.
Machined from 6061 billet aluminum and finished with Type II red anodizing, this extension balances durability with a lightweight design. The real standout feature is the easy-access floor plate. Unlike extensions that force you to pop off the entire extension to service internals, this floor plate lets you reach the spring and follower without any disassembly. That's a practical design detail that shows up in maintenance situations or when you just want to swap springs.
The extension uses your magazine's existing OEM spring, so there's no compatibility guessing game. Installation is straightforward drop-in stuff. You'll also get indexed grip cuts on the extension body, which makes extracting the magazine from a pouch noticeably smoother. Everything is made in the USA and backed by Shield Arms' lifetime warranty.
Key Specifications
- Manufacturer: Shield Arms
- Manufacturer Part Number: MPME5RED
- UPC: 810159261289
- Capacity: 5 rounds
- Material: 6061 Billet Aluminum
- Finish: Type II Red Anodized
- Compatibility: Smith & Wesson M&P 2.0 (9mm and .40 caliber). Fits OEM 12, 15, and 17 round magazines
- Spring: Uses standard OEM magazine spring
- Features: Easy-access floor plate, indexed grip cuts
- Warranty: Lifetime
- Made in: USA
Frequently Asked Questions
Will this M&P 2.0 magazine extension work with my existing magazines?
Yes, this extension is designed for standard OEM Smith & Wesson M&P 2.0 magazines in 12, 15, and 17 round capacities. It uses the magazine's existing spring and follower, so installation is straightforward. Just pop off your base plate and slide this extension on.
Do I need a new spring to install this extension?
No. The Shield Arms extension works with your original OEM magazine spring. That's one less thing to worry about and keeps your setup simple.
What's the benefit of the easy-access floor plate?
It lets you reach the spring and follower without having to remove the entire extension from the magazine. If you need to inspect components, swap springs, or do basic maintenance, you can open the floor plate and access what you need without disassembly.
Is the red anodizing durable?
Yes. The extension is finished with Type II anodizing, which provides reliable corrosion resistance and durability for regular use. The red anodize also holds up well to wear in magazine pouches thanks to the indexed grip cuts designed into the extension body.
Does Shield Arms offer a warranty on this extension?
Shield Arms backs this extension with a 100 percent lifetime warranty. If you run into any issues, you're covered.
Will this extension fit in my magazine pouch?
Most standard magazine carriers will accommodate the extended height, but it's worth checking your specific pouch since each design varies. The indexed grip cuts do help with magazine retention and removal even with the added length.





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