Maximize your firepower with the KRISS MagEx2 Extension Kit, the ultimate capacity upgrade for your factory Glock magazines. Designed specifically for Gen 3 and later full-size models, this durable kit transforms your standard magazines into high-capacity powerhouses, perfect for your KRISS Vector, Glock pistol, or compatible pistol caliber carbine. Experience enhanced performance with reliable feeding and a sleek FDE finish that matches your firearm’s aesthetics.
Key Features
- Massive Capacity Increase: Converts standard Glock magazines to hold up to 40 rounds of 9mm, 33 rounds of 10mm, or 30 rounds of .45 ACP.
- Durable Polymer Construction: Made from reinforced composite materials for a perfect balance of lightweight toughness and long-lasting reliability.
- Complete Extension Kit: Includes everything you need: extended base plate, outer sleeve, and an extended spring for consistent performance.
- Caliber-Specific Design: Engineered for optimal function in 9mm, 10mm, and .45 ACP calibers with corresponding Glock 17, G20/G40, and G21 magazines.
- Factory Magazine Compatibility: Designed to work flawlessly with factory standard, full-size Glock magazine bodies and followers (not included).
Product Specifications
| Specification | Details |
|---|---|
| Brand | KRISS |
| Product Name | MagEx2 Extension Kit |
| Color | Flat Dark Earth (FDE) |
| Primary Material | Polymer / Reinforced Composite |
| Kit Includes | Extended Base Plate, Outer Sleeve, Extended Spring |
| Compatible Firearms | KRISS Vector, Glock Handguns, Glock-compatible PCCs |
| Magazine Generation | Glock Gen 3 and Later |
Capacity & Compatibility Chart
| Caliber | Extended Capacity | Compatible Factory Magazine |
|---|---|---|
| 9mm | 40 Rounds | Glock 17 (17rd) |
| 10mm | 33 Rounds | Glock 20 / G40 (15rd) |
| .45 ACP | 30 Rounds | Glock 21 (13rd) |
Why Choose the MagEx2 Extension Kit
The KRISS MagEx2 Kit is more than just a magazine extension; it’s a performance upgrade engineered for shooters who demand reliability and increased round count. By utilizing your existing, trusted Glock magazine components, this kit ensures proven feeding functionality while significantly reducing reload frequency during training or competition. Its sleek, integrated design maintains a low profile and provides a secure grip, making it the ideal choice for KRISS Vector owners and enthusiasts of high-capacity firearm setups. Please note: A magazine loader is recommended for easier loading due to increased spring tension.
Important Compliance Notice: Buyers are responsible for knowing and complying with all local and state laws regarding magazine capacity. This item cannot be shipped to states with capacity restrictions, including CA, CO, CT, HI, IL, MD, MA, NJ, NY, RI, VT, and Washington D.C. This kit is designed for factory standard-capacity magazines only and is not compatible with reduced-capacity (10rd), compact, or subcompact magazines.
Upgrade your Glock magazine’s capability today with the trusted KRISS MagEx2 Extension Kit from PRK Arms.














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