Promag Ruger SR40 Magazine - 15 Round
The ProMag Ruger SR40 Magazine is a 15-round replacement magazine chambered in .40 S&W for the full-size Ruger SR40 pistol. The body is built from heat-treated, TIG-welded high-carbon steel with a blued finish, paired with a chrome-silicon wire spring and a black DuPont Zytel polymer follower, lock plate, and base plate. It drops in as a direct factory-spec replacement and is backed by ProMag's lifetime warranty. A solid pick for range shooters, SR40 owners building out a spare-mag rotation, and anyone wanting a budget-friendly backup to their factory Ruger magazines.
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- SKU
- RUG-A37
$24.43
Description
Features
- 15-Round Capacity — Full factory-equivalent capacity in .40 S&W keeps you on target longer between reloads.
- Heat-Treated Blued Steel Body — High-carbon steel construction is TIG-welded for strength and finished in blued steel for corrosion resistance.
- Chrome-Silicon Wire Spring — Precision-wound anti-fatigue spring delivers consistent feeding pressure and long-term reliability under load.
- DuPont Zytel Polymer Follower — Impact-resistant black polymer follower glides smoothly inside the magazine body for jam-free feeding.
- Molded Zytel Base Plate — Tough polymer floor plate and lock plate shrug off repeated drops on the range.
- Drop-In Ruger SR40 Fit — Engineered as a direct replacement for the Ruger SR40 full-size pistol in .40 S&W.
- Made in the USA — Manufactured by ProMag Industries to factory-spec tolerances.
- Lifetime Warranty — Backed by ProMag's lifetime warranty against defects in materials and workmanship.
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Customer Reviews
Top customer reviews
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15 rounds of ‘Murica!Slapped this in my SR40 and hit the range ran like a champ! No misfeeds, no BHO failures. Steel body feels bombproof, and 15 rounds > 10 any day.
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Solid steel build, reliable feedThe Promag 15‑round magazine slides into my Ruger SR40 with a tight fit and feeds every round smoothly. I’ve put it through dozens of reloads and it never hesitates.
Lifetime warranty
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