Kriss MagEx2 Kit for Glock 21 – 17-Round Extension 3-Pack

Kriss MagEx2 Magazine Extension Kit

The Kriss MagEx2 Kit represents a straightforward solution to increasing magazine capacity for shooters who rely on .45 ACP platforms. This three-pack of magazine extensions transforms standard Glock 21 magazines into high-capacity alternatives without sacrificing reliability or durability.

What You Get

Each MagEx2 Kit includes:

• Extended baseplate
• Outer sleeve
• Extended spring
• Compatible with factory Glock magazine body and follower

Design and Construction

Kriss engineers built the MagEx2 from reinforced composite materials, keeping weight minimal while maintaining the toughness needed for regular use. The design works seamlessly with standard Glock magazines (Gen 3 and later), requiring no modification to your existing magazines.

Capacity and Compatibility

This .45 ACP-specific kit increases your Glock 21 magazine capacity from the standard 13 rounds to 30 rounds total. The extension works reliably with:

• Kriss Vector submachine guns
• Glock 21 handguns
• Glock magazine-compatible pistol caliber carbines

Practical Performance

The MagEx2 maintains the proven feeding reliability of factory Glock magazines while delivering the extended capacity serious shooters demand. The composite construction resists wear and corrosion, ensuring your magazines perform consistently through years of use.