The Glock 43/43X/48 is a subcompact 9mm pistol. It is similar in size to the Glock 42 but has a longer barrel and slide. The 43X has a more extended grip than the 43, and the 48 has a more extended slide and barrel than the 43X. The 43/43X/48 is a versatile, concealable pistol suitable for self-defense and target shooting.