Promag Fn Fv Svn 5.7x28mm 21rd Bl St

The Promag FN Five-seveN 5.7x28mm 21-round magazine is a high-capacity replacement mag built for the FN Five-seveN platform. Whether you're running the Five-seveN at the range, in competition, or as a modern defensive handgun, this blue steel magazine gives you reliable ammunition capacity and dependable feed performance. Promag has engineered this mag to function alongside your existing Five-seveN setup, so you can keep shooting without changing platforms or worrying about compatibility.

With a 21-round capacity, this magazine lets you extend your trigger time between reloads—a real advantage whether you're zeroing at the range, running drills, or putting rounds downrange at speed. The blue steel construction is durable and straightforward, designed to handle the demands of regular use and training. Pro Mag's reputation for feed reliability means you can trust this mag to perform when it matters.

If you run an FN Five-seveN and want to expand your magazine supply, this is a solid choice. Having multiple mags on hand is standard practice for serious shooters, and a 21-rounder opens up more shooting between pit stops. Drop it into your range bag alongside your other Five-seveN gear and you're set.

Key Features

• 21-round capacity for extended shooting sessions
• Blue steel construction built for durability
• Designed specifically for FN Five-seveN 5.7x28mm platform
• Reliable feed performance for range and training use

Specifications

Frequently Asked Questions

Will this magazine work with my FN Five-seveN?

Yes—this Pro Mag magazine is designed specifically for the FN Five-seveN 5.7x28mm platform.

What's the capacity of this magazine?

This magazine holds 21 rounds of 5.7x28mm ammunition.

Is this magazine durable for regular range use?

Yes. The blue steel construction is engineered to handle routine training and range sessions.