CMMG 57AFD1E 5.7x28mm 10-Round Magazine Extension

Description

The CMMG 57AFD1E magazine extension increases the capacity of compatible FN Five-seveN Gen1 pistol magazines by 10 rounds. It is designed for use with 5.7 x 28 mm magazines and installs quickly without permanently altering the factory magazine. This extension is not compatible with the newest FN Five-seveN magazines. The included spring is chrome silicon and is designed to resist salt-water corrosion and retain its shape.

Key Specifications

• The brand is CMMG.
• The model is 57AFD1E.
• The compatible caliber is 5.7 x 28 mm.
• The extension adds 10 rounds of capacity.
• Fits FN Five-seveN Gen1 20-round magazines.
• The finish/color is Black.
• The product type is a Magazine Extension.
• The spring material is Chrome silicon.
• The weight is 0.14 lbs.
• The shipping weight is 0.14 lbs.

Built for straightforward installation and reversible use, the CMMG 57AFD1E extension provides a reliable way to increase capacity for compatible FN Five-seveN Gen1 magazines. Its corrosion-resistant spring and conservative design make it well suited for range use and extended sessions where additional rounds are desired while preserving the original magazine functionality.