Versacarry Inside the Pant Holster, Fits Small Sized 9mm Pistol and Medium Sized 380ACP Pistol with 3.5 Barrel, Black Polymer 9 SM Zerobulk(R) Holster is one of the smallest, most comfortable, handgun carry devices on the market today. It uses a patented design that secures a firearm by the inner barrel diameter and barrel length, versus the external features of the handgun. Due to this design, it allows its user to carry with external lasers and lights.