ProMag Industries 9mm Magazine - Springfield KUNA - 40 Rd

ProMag Industries 9mm Magazine - Springfield KUNA - 40 Rd

Maximize your firepower and spend more time running drills instead of reloading with the ProMag® 40-Round 9mm Extended Magazine for the Springfield KUNA. Engineered for high-volume shooting, competitive training, and extended range sessions, this high-capacity curved magazine delivers uninterrupted round delivery in an ultra-durable, lightweight design. Whether you are stocking up for intense tactical courses or looking for high-capacity reliability at the range, this extended magazine gives you the extra capacity needed to keep your firearm running at peak performance.

Built from a proprietary DuPont™ Zytel®-based polymer matrix, the magazine housing resists severe impacts, temperature extremes, and aggressive firearm solvents without warping or cracking. Inside, an anti-tilt injection-molded follower pairs with a premium heat-treated chrome silicon wire spring to guarantee continuous, fatigue-free upward tension from the first shot to the fortieth. Proudly made in the USA and backed by a lifetime manufacturer's warranty, this 40-round magazine offers the ultimate combination of massive capacity, rugged endurance, and total peace of mind.

Features

Extended 40-Round Capacity:
Drastically increases ammunition onboard, allowing for longer firing strings, reduced reload interruptions, and maximum efficiency during high-volume tactical drills and target practice.

Proprietary DuPont Zytel Polymer:
Molded from glass-filled, mil-spec Zytel polymer compounds to withstand heavy physical abuse, harsh weather, and chemical exposure without compromising structural integrity.

Heat-Treated Chrome Silicon Spring:
Engineered to deliver constant, reliable feeding pressure through thousands of compression cycles while resisting memory fatigue, even when left loaded for extended periods.

Smooth Injection-Molded Follower:
Anti-tilt follower geometry ensures consistent, jam-free cartridge presentation into the chamber for reliable cycling with standard ball and defensive 9mm loads.

Ergonomic Curved Profile:
The natural curved geometry facilitates optimal cartridge stacking and tension distribution while providing an aggressive, positive surface for rapid reloads and secure handling.

Made in USA with Lifetime Guarantee:
Precision-manufactured in the United States using strict quality control standards and supported by ProMag's lifetime warranty against manufacturer defects.

Specifications