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If you put a lot of rounds downrange and reload often, a 33-round mag changes the whole experience. KCI USA built this Gen 2 extended magazine around a hardened steel insert wrapped in high-tech polymer, which gives it the structural strength to resist deformation even after drops and heavy use, while keeping the overall weight manageable.
The stainless steel spring and anti-tilt polymer follower work together to keep feeding smooth and consistent from the first round to the last. Numbered, rear-facing witness holes run the length of the body so you can check your round count at a glance without stripping the mag. The matte black finish keeps things clean and non-reflective.
Compatibility is broad. This magazine fits the Glock 17, 17L, 19, 19X, 26, 34, 45, and 47, as well as other Glock-pattern compatible firearms like the Ruger PC Carbine and similar PCC platforms that accept Glock-style double-stack 9mm mags. On compact models like the G19 and G26, the extended length will protrude below the grip, which also gives you a full-hand grip surface that a lot of people find more comfortable and stable during longer sessions.
KCI is a South Korean manufacturer with a reputation for producing tight-tolerance aftermarket magazines at a price that makes it easy to stock up. This is an aftermarket product and is not manufactured, authorized, endorsed, or warranted by Glock.
This magazine is designed to fit the Glock 17, 17L, 19, 19X, 26, 34, 45, and 47, as well as other firearms that accept Glock-pattern double-stack 9mm magazines. On compact models like the G19 and G26, the magazine will extend below the grip, but it locks and feeds just fine. It also works well in Glock-compatible PCCs like the Ruger PC Carbine.
Yes, this Gen 2 KCI magazine is compatible with Glock 9mm pistols from Gen 3 through Gen 5. If your Glock takes a standard double-stack 9mm magazine, this should drop right in.
KCI uses a hardened steel insert encased in impact-resistant polymer, which gives the body solid structural integrity. The stainless steel spring and anti-tilt follower keep feeding smooth and reliable. While no aftermarket mag is a guaranteed one-for-one replacement for a factory Glock magazine, KCI has a well-established track record and the vast majority of users report consistent, trouble-free performance across a wide range of 9mm loads.
Extended high-capacity magazines do have stiffer springs, especially when new, so loading all 33 rounds to the top can take a little effort at first. A good tip is to load it to about half capacity and leave it overnight before your first range session, which helps break in the spring and makes full loading easier going forward. A mag loader like the UpLULA can also make the job a lot more comfortable.
Absolutely. The magazine will protrude below the grip frame on compact models like the G19 and G26, but that's completely normal for an extended mag. It locks, feeds, and releases just like a standard magazine. Many people find the extra length actually improves their grip during range sessions.
Yes, many Glock-compatible firearms accept this magazine, including the Ruger PC Carbine and other pistol-caliber carbines that are designed around Glock-pattern double-stack 9mm mags. If your firearm is advertised as Glock-magazine compatible, this KCI mag is worth a try.
| UPC | 851586008238 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KCIMZ008 |
| Caliber/Gauge | 9mm |
| Capacity | 33 |
| Color | Black |
| Length | 9.4500 |
| Model | |
| Product Type | Magazine |
| Quantity | 1 |
| Shipping Weight | 0.305 |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
| Units per Box | 1 |
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