This is a factory original, drop-free magazine for your Glock 43. These steel magazines were designed by Glock to provide additional capacity over the magazines with the polymer sleeve, without extending the length. This magazine also features an extended finger grip for added control and comfort.*This magazine is intended for Glock 43X, 48 models with factory mag release. Notes:Glock magazines are compatible with previous and current generation Glock pistols. Glock magazines have very stiff springs when new and may be extremely difficult to load to full capacity. It may be necessary to use a Glock magazine loader (generally included in the Glock case with the handgun) to load the magazine to capacity or near capacity. If the last round appears impossible to load, for example if the magazine should hold 15 rounds and it will only accept 14, leave it loaded with 14 rounds for several days to allow the spring's tension to decrease. After a short time, the magazine should then accept i...