FAB Defense Mag Extension 380 ACP 4rd Compatible w/Glock 42 Black Polymer FX4210B

The 42-10 is a magazine floor-plate replacement for the Glock 42 that adds 4 rounds for a total of 10 rounds in a magazine.

Special ergonomic design enables secure manipulation of the magazine and a full grip on the weapon when the magazine is in use.

Features:

• Glock 42 only
• Enables a full grip on the handgun
• Contoured finger indents for a firm grip during magazine manipulation
• Innovative spring plate allows the use of the original magazine spring
• Fiberglass reinforced polymer construction
• Weighs 37 grams