FAB Defense FX4310B Mag Extension 4rd Compatible w/ Glock 43 Black Matte Polymer Scope Covers and Shades The unique patented design splits

The unique patented design splits the rings on two parallel but offset planes allowing accessories to be mounted on five AIS mounting surfaces: top

with S35VN steel and a tough

which include the X

and easy to maintain

FAB Defense FX4310B Mag Extension 4rd Compatible w/ Glock 43 Black Matte Polymer Scope Covers and Shades The unique patented design splitsFab Defense's 43 10 is a magazine floor plate replacement for the Glock 43 that adds 4 rounds for a total of 10 rounds in a magazine. The special ergonomic design enables secure manipulation of the magazine and a full grip on the weapon when the magazine is in use. Its innovative spring plate design, allows for the use of the original magazine spring. The 43 10 is constructed of fiberglass reinforced polymer. This model has a black finish.