Warne MEG422BLK Magazine Extension for Glock 42 (+2)

The Warne MEG422BLK is a magazine extension designed to fit Glock 42 magazines, providing additional capacity and an improved grip interface. Constructed from 6061-T6 aluminum with a hardcoat anodized black finish, the extension features ergonomic shaping and finger grooves to aid magazine handling and removal. It increases the effective magazine capacity by two rounds while maintaining a low-profile appearance that complements compact carry pistols.

Key Specifications

• The extension is made from 6061-T6 Aluminum for strength and light weight.
• The finish is a Hardcoat Anodized Black for corrosion resistance and wear protection.
• The product increases capacity by 2 rounds when installed on a compatible magazine.
• Compatible with Glock 42 (G42) magazines.
• Specified caliber/gauge is .380 ACP.
• The unit weight is 0.06 (unit as provided in manufacturer data).
• The overall product length is 1.5 (unit as provided in manufacturer data).
• The product width is 1 and height is 0.7 (units as provided in manufacturer data).
• Additional construction note: 6061 T6 Aluminum Billet with a Type 2 Anodized Finish.

The Warne MEG422BLK offers a practical, precision-machined solution to modestly increase magazine capacity while improving purchase and magazine handling for compact .380 ACP pistols. Its billet aluminum construction and hardcoat finish provide durable, low-profile performance suited to everyday carry and pocket-compact use. For users seeking a clean, reliable extension that preserves the Glock 42’s compact footprint while adding two rounds, this Warne extension delivers functional usability with the fit and finish expected from a purpose-built accessory.