What magazines are compatible with the KRISS MagEx2 kit?

KRISS MagEx2 kits are designed for use with factory Glock 17 (9mm), Glock 20 (10mm), and Glock 21 (.45 ACP) magazines when used in the KRISS Vector platform.

Does the MagEx2 work with Glock Gen 5 magazines?

Yes. The MagEx2 is compatible with OEM Glock mags from Gen 3, Gen 4, and Gen 5—so long as the mag body is factory original.

How many rounds does the MagEx2 add?

The MagEx2 system adds 17 to 18 rounds, depending on follower configuration. Final capacities are 30 or 40 rounds based on base mag size.

Do I need a new spring to use this kit?

No. The MagEx2 kit is designed to work with your Glock mag’s factory spring. No additional spring or tools are required.

KRISS Vector Mag Extensions | MagEx2 Kits for Glock Mags

Name: KRISS Vector MagEx2 Magazine Extension Kit
Brand: KRISS USA
SKU: KRISS-MAGEX2
Price: 44.95 USD
Availability: InStock

**KRISS MAGEX2 Kit for Glock 20 – 18rd Extension (3-Pack, FDE)** $85.99

**KRISS USA MagEx2 Extension Kit – Alpine White | +23 Round Capacity for Glock 17 9mm Magazines** $33.55

**Kriss Mag-Ex2 Extension Kit – Glock 17 40-Round Magazine, 9mm, Black** $33.55

**KRISS +17 .45 ACP Mag Extension FDE – 3 Pack for Vector** $85.99

**KRISS MagEx2 Kit +18 Round Extension for Glock 20 – Black** $33.55

**KRISS USA MAGEX2 FDE 9mm Luger Extension Kit – 40-Round Capacity for Glock 17 Magazines** $33.55

**KRISS MagEx2 +18 Kit for Glock 20 10mm – 3 Pack** $85.99

**KRISS MAGEX2 +17 .45 ACP Extension for Glock 21 – Black** $33.55

**Kriss Magex2 Kit For G21 +17rd 45acp** $33.55

**Kriss Magex2 Kit For Glock 21 17rd 3pk** $85.99

**KRISS MagEx2 +23 Kit for Glock 17 9mm – 3 Pack** $85.99

KRISS Vector Magazine Extensions – MagEx2 Kits for Glock 9mm, 10mm & .45 ACP

🔧 More Rounds. Better Performance. Built for the Vector Platform.

Maximize your firepower with KRISS Vector magazine extensions, built to give your Vector more capacity without compromising reliability. Whether you shoot 9mm, 10mm, or .45 ACP, the MagEx2 kit is the ideal upgrade—turning standard Glock mags into high-capacity magazines made for tactical use, competition, or range training.

These factory-authorized extension kits are engineered by KRISS USA to match the Vector’s performance needs and maintain compatibility with OEM Glock components. Fast install. Perfect fit. Serious firepower.

🔍 What is the KRISS MagEx2?

The MagEx2 is a high-capacity magazine extension system designed to work with:

Glock 17 mags (for 9mm KRISS Vector)
Glock 20 mags (for 10mm Vector)
Glock 21 mags (for .45 ACP Vector)

Each kit includes an extended outer housing, a floorplate, and follower adapter—using your factory Glock mag body and spring to create a reliable, 30- to 40-round magazine solution.

🔫 Available Caliber Options

Caliber	Base Glock Mag	Total Capacity	Compatible Vector Models
9mm	Glock 17 mag	40 rounds	KRISS Vector CRB, SDP, SBR 9mm
10mm	Glock 20 mag	30 rounds	KRISS Vector CRB, SDP, SBR 10mm
.45 ACP	Glock 21 mag	30 rounds	KRISS Vector CRB, SDP, SBR .45

All MagEx2 kits are available in multiple finishes including black, FDE (Flat Dark Earth), and OD green.

🛠️ Easy Installation – No Gunsmithing Required

Disassemble your factory Glock magazine
Retain the OEM spring and follower
Install the MagEx2 outer sleeve and base plate
Reassemble and test for seating and cycling

Each kit installs in just minutes and is engineered to maintain factory magazine feed reliability.

🧷 Compatibility Notes

Works with factory Glock magazines only
Compatible with Gen 3, Gen 4, and Gen 5 Glock mags
Not for use in pistols other than the KRISS Vector platform
Legal compliance varies—check local capacity restrictions

❓ Frequently Asked Questions

Q: Will these work in a Glock pistol?

MagEx2 kits are designed specifically for use with Glock mags in a KRISS Vector, not directly in Glock pistols.

Q: Do I need a new spring?

No. These kits retain your original Glock mag spring, making installation simple and cost-effective.

Q: Are these compatible with Gen 5 Glock magazines?

Yes. As long as your magazine is OEM Glock and caliber-matched, the MagEx2 system will fit Gen 3 through Gen 5.

Q: How many rounds does this add?

You’ll gain +17 to +18 rounds over the base mag, depending on the caliber and follower used. Final capacity is 30 or 40 rounds.

🛒 Shop KRISS Vector MagEx2 Kits at Mounts Plus

Whether you're running 9mm, 10mm, or .45 ACP, upgrading your KRISS Vector with a MagEx2 magazine extension kit delivers extra rounds, faster reloads, and uncompromising reliability—exactly what your modern PCC needs.