FAB Defense 43-10 Features The FAB Defense 43-10 uses an innovative spring plate design that allows the original Glock 43 magazine spring to remain in use while still adding four additional rounds bringing total capacity to 10 in a single magazine. This approach avoids the cost and complexity of sourcing an entirely new magazine spring making the upgrade a straightforward drop-in installation for existing magazines. The added length also gives the shooter a longer more stable base to grip during rapid magazine changes. Built from fiberglass-reinforced polymer the 43-10 is constructed for durability under repeated use and reinsertion into the magazine well. A contoured finger indent along the base plate gives the shooter a firmer more secure grip on the handgun improving control during firing. Finished in gray the floor plate offers Glock 43 owners a simple affordable way to extend magazine capacity while improving overall ergonomics. FAB Defense 43-10 Specifications Brand: FAB Defense Model: 43-10 Fits: Glock 43 Capacity Added: +4 (10 total) Color: Gray Material: Fiberglass Reinforced Polymer Weight: 0.09 lbs Available At: GrabAGun