KCI Glock 40SW Magazine - 13 Round
The KCI Glock .40 S&W Magazine is a 13-round flush-fit replacement magazine for the Glock 23, and it also runs in the Glock 22, 27, and 35. Construction is OEM-pattern, with a hardened steel insert wrapped in high-impact polymer, a stainless steel spring, and a black anti-tilt follower for dependable feeding. Numbered rear witness holes let you check round count without pulling the mag. Built to factory dimensions, it drops free from any Glock .40 S&W mag well and feeds reliably out of the box. A solid pick for range training, duty backup, or stocking up on affordable spares.
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- SKU
- KCI-MZ011
$12.99
Description
Features
- 13-Round .40 S&W Capacity — Flush-fit double-stack magazine holds 13 rounds of .40 Smith & Wesson for full duty or range use.
- Glock 23 Compatible — Drops cleanly into the Glock 23 and also runs in the Glock 22, 27, and 35 platforms.
- Steel-Lined Polymer Body — Hardened steel insert encased in high-impact polymer resists deformation, swelling, and cracking under hard use.
- Stainless Steel Spring — Corrosion-resistant stainless spring delivers consistent feeding pressure from the first round to the last.
- Anti-Tilt Polymer Follower — Black polymer follower keeps rounds aligned for reliable feeding and smooth cycling.
- Rear Witness Holes — Numbered witness holes on the back of the body let you verify round count at a glance.
- Factory-Pattern Footprint — Mirrors the OEM Glock magazine profile, so it drops free from factory mag wells without modification.
- Made in South Korea — Manufactured by KCI USA to OEM-equivalent dimensions and tolerances.
- Budget-Friendly Spare — Affordable enough to build out a deep stack of training, duty, or competition mags.
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Customer Reviews
Top customer reviews
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Cheap mags that actually workIve tried a few different aftermarket Glock mags over the years and KCI is probly the most consistent of the budget brands. Picked up 4 of these for my G23 to use as range mags so I can keep my OEM mags for carry. They lock in solid, drop free clean, and the anti-tilt follower does its job. Put about 300 rnds of S&B 180gr through two of them so far with zero issues. The numbered witness holes on the back are a nice touch too, easy to see how many rounds you got left. Only reason I'm not giving 5 stars is the polymer feels just slightly cheaper than Glock OEM but for $13 a mag I really cant complain.
Reliable feeding with the anti-tilt follower
Polymer body feels a tad cheaper than factory Glock mags
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