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The Mec-Gar 18-round magazine gives your P228 a noticeable capacity boost without turning it into something unwieldy. You get 18 rounds of reliable 9mm firepower compared to the standard 13, and the extended profile is only 5/8 inch longer than flush-fit magazines. That's the kind of practical compromise that actually works in the real world.
Mec-Gar makes magazines and basically only magazines, which means they've had decades to perfect the craft. The tube is precision-stamped from certified carbon steel, TIG welded seamlessly, and heat-treated for durability that holds up through serious use. The anti-friction coating isn't just marketing either—it makes loading easier and provides genuine corrosion resistance, so your magazine functions smoothly whether you're training in the rain or storing it for months between range trips.
The real engineering is in the internals. A shorter high-impact polymer follower and optimized spring design allow this magazine to pack five extra rounds without becoming a cartridge shove. Numbered witness holes let you see your round count at a glance, and everything is designed to feed reliably with any bullet profile.
Mec-Gar's reputation isn't accidental. Sig Sauer, Browning, Remington, and Walther actually have Mec-Gar manufacture OEM magazines under their own brand names. The quality and reliability standard is military-grade, meeting or exceeding all tolerance requirements for law enforcement and military use worldwide. You're getting the same magazine engineering that goes into factory Sig magazines, but built to extended capacity specs that give you genuine tactical advantage on the range or for defensive carry.
This particular model fits the classic P228 and older flat-sided P229 pistols. Note that it won't work in P229 E2 models with the wider tapered magazines. The high-impact polymer baseplate removes easily for cleaning, and the whole assembly is built to last through thousands of rounds.
It depends on which P229 you have. This magazine fits the P228 and older P229 pistols with flat-sided narrow magazines. If you have a newer P229 E2 with the wider tapered magazine well, you'll need a different magazine designed for that platform. Double-check your pistol's mag well before ordering.
This magazine holds 18 rounds versus the standard P228's 13-round factory capacity, giving you five extra rounds. The extension is only 5/8 inch, so the grip doesn't become impractical. Most owners find the tradeoff between capacity and size worth it for target shooting and training.
The anti-friction coating reduces friction during loading, making the magazine easier to top off without hand fatigue. It also provides genuine corrosion resistance, so the magazine holds up in humid conditions or long-term storage without rust developing inside the tube. It's practical protection, not just a sales feature.
Yes. Mec-Gar manufactures OEM magazines for Sig Sauer along with Browning, Remington, and Walther. You're buying the same level of engineering and quality control that goes into factory Sig magazines, but built to extended capacity specifications for the P228.
| UPC | 765595750302 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MGP22818AFC |
| Brand Fit | Sig Sauer |
| Caliber/Gauge | 9mm |
| Capacity | 18 |
| Color | Black |
| Model | |
| Model Fit | P228 |
| Product Type | Magazine |
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