SKB Sports 3I-Series, Pistol Case, 11.75x8.00x3.875, Polypropylene Copolymer Resin, Black, Customizable Foam Cut Out 3I-1006-SP The iSeries 1006 Custom Single Pistol Case is a custom waterproof case designed to fit a single pistol along with accessories. The custom interior features an adjustable high density foam with a cutout to fit various pistols (up to 25 different styles) as well as an accessory slot for additional gear.