Leather Concealed Gun Holster for Beretta Px4 Storm U22 Neos and BU9 Nano 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 large size will securely hold most weapons from subcompact to full size semi-autos; also small and medium frame revolvers. 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.