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If you've shot an older S&W 5900 Series pistol, you know the appeal. These are solid guns that deserve reliable ammunition carriers. Mec-Gar has been making magazines longer than most of us have owned firearms, and they've put that experience into this 17-rounder.
The magazine uses heat-treated carbon steel throughout the tube, which means it can handle years of loading and unloading without losing its shape. The spring is high-tensile music wire that maintains consistent pressure across the full 17-round capacity. A polymer follower rides up and down inside without snagging, keeping feed smooth through every mag dump at the range or through defensive drills.
One of the best features here is how Mec-Gar crammed two extra rounds into this magazine without making it stick out below the grip. The flush-fit polymer floor plate sits right where a factory 15-rounder would, which means better concealment if you carry and a cleaner look on the bench. The magazine still drops free when you hit the release.
Mec-Gar manufactures OEM magazines for companies like Browning, Remington, Sig Sauer, and Walther. That tells you something about their standards. They've been in this business since 1965 and work to the same tolerances whether a magazine wears their name or a gun maker's name. The blued finish gives good corrosion resistance for range duty, though if you carry in damp conditions, nickel or anti-friction coated versions might be worth the extra cost.
Yes. This magazine is designed specifically for the S&W 5900 Series and also works with the 659, 910, and 915 models, all chambered in 9mm. It uses the same interface as factory magazines but carries two additional rounds while maintaining a flush fit with the grip.
No. The polymer floor plate sits flush with the grip, just like a factory 15-round magazine. Despite holding 17 rounds, Mec-Gar's design keeps the overall profile compact, which is useful for both concealed carry and general handling at the range.
Mec-Gar builds magazines for many major manufacturers, including under their own name. The blued version uses heat-treated steel and high-tensile springs that meet or exceed factory specifications. Most users report flawless feeding and durability over years of use.
Blued magazines work fine for range use and dry storage. If the magazine will sit in a damp bag or be carried in humid conditions regularly, nickel or anti-friction coated finishes resist corrosion better. For dedicated range mags stored dry, the blued finish is perfectly adequate.
| UPC | 765595440128 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MGSW5917B |
| Brand Fit | S&W |
| Caliber/Gauge | 9mm |
| Capacity | 17 |
| Color | Blue |
| Length | 9.2500 |
| Model | |
| Model Fit | 659 |
| Product Type | Magazine |
| Shipping Weight | 0.25 |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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