Leather Concealed Gun Holster for Kahr CW380 MK40 and MK9 This holster is truly a unique design. The design is referred to as a yaqui or slide holster. Carry Methods: Inside or outside the pant, Left or right hand, Front or middle of the back. The holster will mold to the shape of your gun to create a secure / snug fit. It is great for concealed carry and will fit most weapons. The small size will securely hold most weapons from the smallest 380s to subcompact semi-autos. Listed below are examples of guns that will fit this model holster. Please note this list is not intended to be all inclusive. More guns will fit this holster.