FAB Defense FX-4310B Glock 43 Magazine Extension
FAB Defense magazine floor-plate extension for Glock 43 adds 4 rounds for 10-round total capacity. Ergonomic polymer design enables secure grip and magazine manipulation.
Fits: Glock 43
Enhanced Capacity for Your Glock 43
The FAB Defense FX-4310B is a magazine floor-plate replacement designed specifically for the Glock 43 pistol. This extension increases your magazine capacity from the standard 6 rounds to a full 10 rounds—a meaningful upgrade for defensive carry or range work.
Smart Engineering
Key Features:
- Adds 4 rounds to standard Glock 43 magazines
- Innovative spring-plate design works with your original magazine spring
- No need to replace your existing magazines—simply swap the floor plate
- Fiberglass-reinforced polymer construction for durability and reliability
Ergonomic Design
The FX-4310B's special ergonomic profile ensures secure manipulation of the magazine during reloads. More importantly, when the extended magazine is seated in your pistol, you'll achieve a full firing grip without your pinky finger hanging in the air—a significant advantage for control and accuracy.
Practical Advantage
For those who carry a Glock 43, this extension represents a genuine improvement in on-board ammunition capacity while maintaining the pistol's compact profile. The black matte polymer finish is durable and low-profile.
Simple, effective, and purpose-built.
