Description
If you run a Smith & Wesson M&P full-size 1.0 or 2.0, this Tyrant CNC extension turns your 17-round 9mm magazine into a 22-rounder, or your 15-round .40 S&W into a 20-rounder. It's a straightforward capacity bump that actually works in the real world.
The gold aluminum finish looks sharp, and the aerospace-grade construction means you're getting something that handles repeated use without falling apart. Tyrant machines these from 6061 aluminum, which strikes the balance between durability and weight. The serrated sides give you something to grab when magazines need to move fast, whether at the range or in competition.
NoBak Spring Plunger Technology
Where this extension stands out is the installation method. Tyrant's NoBak system means you don't need tools to get it on or off your magazine. Drop the old base plate, slide this on, and you're done in seconds. That's a genuine quality-of-life improvement compared to fighting with screws or complicated retention mechanisms. The whole thing feels solid once installed, and the spring plunger setup handles repeated cycling without complaint.
Built for Full-Size M&P Magazines
This is engineered specifically for M&P 1.0 and 2.0 full-size frames. It won't work on compact or subcompact magazines, so make sure you've got the right platform before ordering. Once it's on your magazines, the extension sits flush with the frame contours. You'll notice the improved grip when you're running drills or reloading, especially if you've got larger hands. The added surface area makes mag changes smoother and gives you more control over the magazine itself.
Key Specifications
- Manufacturer: Tyrant CNC
- Manufacturer Part Number: TDMPMAGEXFSGOLD
- UPC: 764046030802
- Caliber: 9mm and .40 S&W
- Model: S&W M&P 1.0/2.0 Full-Size
- Capacity Increase: +5 rounds
- Material: 6061 Aerospace-Grade Aluminum
- Finish: Gold Anodized
- Installation: Tool-Free (NoBak Technology)
- Finish Type: Hard Coat Anodized
- Weight: Lightweight aluminum construction
- Warranty: Lifetime Warranty
What’s Included
- Tyrant CNC +5 Magazine Extension in Gold
- NoBak Spring Plunger System
Frequently Asked Questions
Will this extension fit my M&P magazine?
This extension is designed for M&P full-size 1.0 and 2.0 pistols only. It works with full-size 17-round 9mm magazines or 15-round .40 S&W magazines. It's not compatible with compact, subcompact, or Shield magazines. Before buying, verify you have full-size M&P magazines.
How is the NoBak installation different from other extensions?
Tyrant's NoBak technology eliminates the need for tools or screws. You remove the factory base plate and slide this extension on in seconds. The spring plunger system holds everything secure without requiring adhesives, tools, or complex assembly. You can remove it just as quickly if needed.
What's the actual capacity increase I'll get?
A full-size 9mm M&P magazine goes from 17 to 22 rounds with this extension. A full-size .40 S&W magazine goes from 15 to 20 rounds. The extension doesn't require a special spring or modifications to your magazine—the factory spring stays in place and handles the additional capacity without issues.
Is this extension durable enough for competition use?
Yes. Machined from 6061 aerospace-grade aluminum with a hard anodized finish, it holds up through hundreds of rounds and repeated reloads. Tyrant backs all their products with a lifetime warranty, so if anything fails, you're covered.





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