.is 42-10 a magazine floor-plate replacement for the Glock 42 (.380 ACP) that adds 4 rounds for a total of 10 rounds in a single magazine. in addition, creates a longer, more steady and ergonomic grip

Inovative spring plate design, allows for use of the original magazine spring +4 rounds for a total of 10 rounds in the magazine Contoured finger indent for a firm grip on the handgun Fiberglass reinforced.. polymer construction