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The ProMag RUGA38 is a 25-round extended magazine purpose-built for the Ruger SR40 and SR40C platforms in .40 S&W. If you want extra capacity at the range or need a reliable backup magazine, this is designed to deliver both without breaking the bank.
Construction starts with heat-treated blued steel for the magazine body, which resists corrosion and wear through regular use. The spring is formed from chrome silicon wire and heat-treated for strength, while the injection-molded follower is made from a durable polymer compound. This combination handles being loaded and stored for extended periods without losing tension or reliability. The removable polymer floor plate makes disassembly straightforward for cleaning and maintenance.
The extended 25-round capacity means more trigger time between reloads, whether you're working on accuracy at the range, running drills, or training. The magazine is precision stamped and welded, fitting SR40 pistols with the same reliability you'd expect from a magazine that's been refined over years of production.
Every ProMag magazine comes with a lifetime warranty. If you ever encounter an issue, ProMag covers replacement under their guarantee. It's made in the USA and represents the kind of quality-to-price ratio that's made ProMag a standard choice among competitive and casual range users alike.
Yes. This magazine is designed to fit both the standard Ruger SR40 and the compact SR40C model. Some users prefer a magazine adapter for the compact version if they want to reduce the grip extension, but the magazine feeds and functions in both platforms without one.
Chrome silicon springs are designed to resist fatigue and maintain tension even after extended storage. ProMag's heat-treated version is engineered to stay loaded and ready for up to six years without losing spring pressure, making it reliable whether you're rotating mags regularly or keeping it as a backup.
Yes. The removable polymer floor plate makes it straightforward to take the magazine apart for cleaning and inspection. Just push or pry the floor plate off, and you can access the spring and follower to inspect or clean them.
This ProMag is an aftermarket option that offers the same 25-round capacity and compatible design for a lower price point. The construction is solid, with heat-treated steel and the same type of materials found in many service magazines. The main trade-off is that it's a budget-friendly alternative rather than OEM.
ProMag backs every magazine with a lifetime warranty against manufacturer defects. If you ever experience an issue, you can contact ProMag for a replacement.
The magazine is rated for 25 rounds of .40 S&W. Some users load it to 24 and rotate that as a practice, which can reduce spring fatigue. The magazine is designed to handle the full 25-round capacity reliably.
| UPC | 708279012792 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RUGA38 |
| Brand Fit | Ruger |
| Caliber/Gauge | .40 S&W |
| Capacity | 25 |
| Model | |
| Model Fit | SR |
| Product Type | Detachable |
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