FAB Defense 42-10 Glock 42 .380 ACP Magazine Extension

The FAB Defense 42-10 is a magazine floor-plate replacement designed for Glock 42 magazines in .380 ACP. It adds 4 rounds for a total magazine capacity of 10 rounds and provides a fuller grip during magazine handling.

Its contoured ergonomic design supports secure manipulation, while the innovative spring plate allows use of the original magazine spring.

Key Specifications

• The extension is compatible with Glock 42 magazines only.
• It is intended for .380 ACP magazines.
• The extension adds 4 rounds to the magazine.
• The resulting magazine capacity is 10 rounds when used with a compatible Glock 42 magazine.
• The construction uses fiberglass-reinforced polymer.
• The finish is black.
• The contoured finger indents support firm magazine manipulation.
• The spring plate permits use of the original magazine spring.
• The product weighs 37 grams.

With its Glock 42-specific fit, added capacity, and ergonomic profile, the FAB Defense 42-10 offers a practical way to extend magazine length while maintaining a secure, comfortable grip during handling.