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The KRISS MagEx2 Kit takes your standard-capacity Glock 21 .45 ACP magazines and stretches them out to a full 30 rounds each. Each kit swaps out the factory baseplate and spring for an extended setup, adding 17 rounds on top of your existing 13-round mag. You're keeping the original Glock magazine body and follower, which is a big part of why these feed so well. This is the three-pack, so you're covering three mags in one purchase, and everything comes in a clean matte black finish that looks right at home on a Vector.
Each extension is built from three pieces: an extended baseplate, an outer sleeve, and a longer spring. KRISS makes these from reinforced, lightweight composite along with steel where it counts, so they hold up to real range abuse without adding a bunch of weight down low. The kit installs onto your existing mag, meaning you reuse the Glock body and follower rather than replacing the whole magazine. Worth noting up front: this is a kit only. The Glock magazines themselves are not included, so you'll want three factory G21 mags on hand before you start.
While these were designed around the KRISS Vector, they play nicely with any Glock 21 pistol or Glock magazine-compatible pistol caliber carbine chambered in .45 ACP. If you're running a Vector CRB, an SBR, or a .45 PCC build, going from 13 to 30 rounds is a serious cut in reload frequency during range days and competition stages.
One practical tip from folks running these: with 30 rounds of .45 and a stiffer extended spring, hand-loading the last several rounds gets tough. A magazine loader makes topping off way easier on your thumbs. These are made for full-size, standard-capacity G21 mags, so steer clear of pairing them with 10-round or compact magazines.
No, this is a kit only. You supply your own factory standard-capacity Glock 21 magazines, Gen 3 or later, and the kit reuses your existing mag body and follower. Each kit converts one 13-round G21 mag into a 30-round magazine, and this three-pack covers three mags.
It was designed around the Vector but works with any Glock 21 .45 ACP pistol or Glock magazine-compatible pistol caliber carbine. As long as you're feeding from a full-size, standard-capacity factory G21 magazine, you're good to go. It is not compatible with 10-round, compact, or subcompact magazines.
Each extension adds 17 rounds, taking a factory 13-round Glock 21 .45 ACP magazine up to 30 rounds total. That's a big drop in reloads during range sessions or matches.
The extended spring puts a good amount of tension on a fully stuffed 30-round .45 mag, so the last several rounds can be a workout on your thumbs. A magazine loader makes topping off much easier and is well worth keeping in your range bag.
| UPC | 811607033021 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KVAMX2K45BL01 |
| Color | Black |
| Model | |
| Product Type | Magazine Extension |
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