Mag Kci USA 10-Round 9mm Magazine for Glock 17

The KCI USA 10-round 9mm magazine for Glock 17 is a reliable, affordable alternative to factory mags—built to handle daily use without compromise. Whether you're stocking up for the range, building redundancy for duty carry, or just keeping spares on hand, KCI's proven steel-and-polymer construction delivers the dependability centerfire shooters need. This magazine fits the full-size Glock 17 and pairs the durability of a hardened steel insert with a polymer body that resists wear and deformation, so you get a mag that feeds rounds cleanly and holds up under real-world conditions.

KCI USA magazines are engineered to strict tolerances and widely trusted by shooters who need budget-conscious alternatives to OEM parts without cutting corners on reliability. The stainless steel spring maintains consistent tension through thousands of cycles, and the hardened steel internals keep feeding geometry intact even after extended storage or heavy use. For most shooters, a spare mag or two is essential; KCI makes that practical and affordable.

The 10-round capacity works for standard range sessions, practice drills, and most defensive scenarios. If you're running Glock 17s and want mags you can trust without premium pricing, this is a solid choice backed by real-world use across LE, military, and civilian shooting communities.

Key Features

• Hardened steel insert resists deformation and wear
• Polymer body protects magazine from damage during regular handling and storage
• Stainless steel spring for reliable, consistent feeding
• 10-round capacity
• Engineered to Glock 17 specifications

Specifications

Frequently Asked Questions

Will this magazine work in my Glock 19 or 26?

Yes. This KCI magazine is designed to fit Glock 17, 19, and 26 pistols. All three share the same magazine well and feed geometry.

What's the advantage of the steel insert and polymer body?

The hardened steel insert maintains the precise feed geometry and resists denting or warping that can cause feeding issues. The outer polymer layer absorbs impacts and protects the magazine during storage or transport, extending service life while keeping weight down.

Is this mag reliable for defensive use?

KCI USA magazines are widely used and trusted for duty and self-defense. The stainless steel spring and hardened steel internals provide the reliability you need, though as with any spare magazine, function testing before carry is always a good practice.

How many rounds does it hold?

This magazine holds 10 rounds of 9x19mm ammunition.