ProMag Magazine Ruger Mini-14 223 Remington 42-Round Polymer Black

The ProMag 42-round polymer magazine for Ruger Mini-14 in .223 Remington gives you serious firepower without the weight penalty of metal. Built from a proprietary DuPont Zytel-based polymer, this magazine feeds reliably through your Mini-14 or 5.56x45mm rifle while staying lightweight enough that you won't mind carrying spares. Whether you're at the range running drills, in the field hunting varmints, or setting up for a longer session, 42 rounds means fewer mag changes and more trigger time.

The engineering here is straightforward: injection-molded polymer construction keeps costs down and corrosion resistance up, while the follower design ensures smooth, consistent feeding. The spring is formed from heat-treated chrome silicone wire—the kind of materials choice that suggests this magazine was built to handle real use, not just sit in a display case. Made in the USA, it's the kind of workhorse accessory that fits the Mini-14's reputation for reliability.

If you run a Ruger Mini-14 and want a high-capacity option that doesn't break the bank, this is a straightforward choice. The polymer construction keeps it durable and corrosion-resistant, making it equally at home in a range bag or field kit.

Key Features

• 42-round capacity for extended shooting sessions without mag changes
• Proprietary DuPont Zytel-based polymer construction—lightweight and corrosion-resistant
• Injection-molded polymer follower for reliable feeding
• Heat-treated chrome silicone wire spring for consistent performance
• Made in the USA

Specifications

Frequently Asked Questions

Will this magazine work with my Ruger Mini-14?

Yes, the ProMag 42-round magazine is designed specifically to fit Ruger Mini-14 rifles chambered in .223 Remington and 5.56x45mm.

What's included in the box?

The product listing does not specify what comes in the box. Contact us for details on packaging or bundle contents.

Is this magazine made in the USA?

Yes, ProMag manufactures this magazine in the United States.

Why polymer instead of steel for a magazine?

Polymer construction offers several practical advantages: it's corrosion-resistant (no rust or oxidation), lighter to carry than steel, and cost-effective. The DuPont Zytel polymer used here is durable enough for field and range use while keeping the magazine affordable to own in multiples.