Kriss USA115811918
KRISS USA MagEx2 Extension Kit for Glock 21 Magazine - Alpine White$29.69
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Availability: In Stock
Current Stock: Out of stock
The KRISS USA MagEx2 Extension Kit Alpine for Glock Magazine is a three-pack of capacity-boosting base plate kits designed to increase the round count of your factory Glock magazines. Built from reinforced composite materials, the MagEx2 transforms standard Gen 3 and later Glock magazines into high-capacity alternatives without sacrificing reliability or durability. Each kit includes an extended base plate, outer sleeve, and upgraded spring—everything you need to convert a single Glock magazine. This is the setup that KRISS developed specifically for its Vector platform, and it works seamlessly with compatible Glock handguns and Glock magazine-fed pistol caliber carbines.
The Alpine variant is caliber-specific and comes configured for .45 ACP, pushing standard Glock 21 magazines from factory capacity to 30 rounds per magazine. That's a meaningful increase in firepower whether you're running the KRISS Vector, a Glock 21, or another .45 ACP platform that accepts Glock mags. The composite construction keeps weight minimal while the engineering ensures the feeding reliability you expect from factory Glock magazines—just with more ammunition on board. With three kits in the pack, you can outfit multiple magazines and keep spares in rotation.
Installation is straightforward: the MagEx2 components work with your existing Glock magazine body and follower, so there's no guessing or incompatibility issues. If you're a .45 ACP shooter looking to extend magazine capacity without swapping to a different platform or fighting compatibility problems, this three-pack gives you the flexibility to standardize your mags across several guns or load out several magazines for extended shooting sessions.
| Brand | KRISS USA |
| Product Type | Magazine Extension Kit |
| Caliber | .45 ACP |
| Compatible Magazine | Glock 21 (Gen 3 and later) |
| Extended Capacity | 30 rounds |
| Material | Reinforced composite |
| Quantity | 3 kits (9 components total) |
| Components Per Kit | Extended base plate, outer sleeve, extended spring |
Yes. The Alpine variant of the MagEx2 is designed for factory Glock 21 magazines (Gen 3 and later). The extension kit components combine with your existing magazine body and follower to bring capacity to 30 rounds.
Yes. The KRISS USA MagEx2 was engineered specifically for the KRISS Vector and is fully compatible with that platform. It also works with other Glock magazine-fed firearms in .45 ACP.
You receive three complete MagEx2 extension kits. Each kit contains an extended base plate, outer sleeve, and extended spring. You'll use your own Glock magazine bodies and followers—the kits provide the capacity-extension components only.
The product information provided does not specify installation requirements or tools. We recommend consulting the manufacturer's instructions included with the kit or contacting KRISS USA directly for detailed assembly guidance.
SKU: 121688604 • Width: 4.25in • Height: 1.75in • Depth: 17.13in • Weight: 0.75oz
Availability: In Stock
Current Stock: Out of stock
The KRISS USA MagEx2 Extension Kit Alpine for Glock Magazine is a three-pack of capacity-boosting base plate kits designed to increase the round count of your factory Glock magazines. Built from reinforced composite materials, the MagEx2 transforms standard Gen 3 and later Glock magazines into high-capacity alternatives without sacrificing reliability or durability. Each kit includes an extended base plate, outer sleeve, and upgraded spring—everything you need to convert a single Glock magazine. This is the setup that KRISS developed specifically for its Vector platform, and it works seamlessly with compatible Glock handguns and Glock magazine-fed pistol caliber carbines.
The Alpine variant is caliber-specific and comes configured for .45 ACP, pushing standard Glock 21 magazines from factory capacity to 30 rounds per magazine. That's a meaningful increase in firepower whether you're running the KRISS Vector, a Glock 21, or another .45 ACP platform that accepts Glock mags. The composite construction keeps weight minimal while the engineering ensures the feeding reliability you expect from factory Glock magazines—just with more ammunition on board. With three kits in the pack, you can outfit multiple magazines and keep spares in rotation.
Installation is straightforward: the MagEx2 components work with your existing Glock magazine body and follower, so there's no guessing or incompatibility issues. If you're a .45 ACP shooter looking to extend magazine capacity without swapping to a different platform or fighting compatibility problems, this three-pack gives you the flexibility to standardize your mags across several guns or load out several magazines for extended shooting sessions.
| Brand | KRISS USA |
| Product Type | Magazine Extension Kit |
| Caliber | .45 ACP |
| Compatible Magazine | Glock 21 (Gen 3 and later) |
| Extended Capacity | 30 rounds |
| Material | Reinforced composite |
| Quantity | 3 kits (9 components total) |
| Components Per Kit | Extended base plate, outer sleeve, extended spring |
Yes. The Alpine variant of the MagEx2 is designed for factory Glock 21 magazines (Gen 3 and later). The extension kit components combine with your existing magazine body and follower to bring capacity to 30 rounds.
Yes. The KRISS USA MagEx2 was engineered specifically for the KRISS Vector and is fully compatible with that platform. It also works with other Glock magazine-fed firearms in .45 ACP.
You receive three complete MagEx2 extension kits. Each kit contains an extended base plate, outer sleeve, and extended spring. You'll use your own Glock magazine bodies and followers—the kits provide the capacity-extension components only.
The product information provided does not specify installation requirements or tools. We recommend consulting the manufacturer's instructions included with the kit or contacting KRISS USA directly for detailed assembly guidance.
SKU: 121688604 • Width: 4.25in • Height: 1.75in • Depth: 17.13in • Weight: 0.75oz