The 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. - Special ergonomic design enables secure manipulation of the magazine and a full grip on the weapon when the magazine is in use. - ADVANTAGES: - + 4 rounds for a total of 10 rounds in the magazine! - Innovative spring plate design allows for the use of the original magazine spring - Enables a full grip on the handgun - Contoured finger indents for a firm grip during magazine manipulation - Fiberglass reinforced polymer construction - Available in Matt Black - COMPATIBILITY: Glock 43 only!