This 31" Case #1258 has pre-cut foam for 18 pistols, 18 magazines, and accessories. Pistol forms are 5.50” length x 1.25” width x 9” deep. Magazine forms are 0.875" x 1.25" and 5" deep. Includes convoluted (egg-crate) foam in the lid. Fits full size semi-automatic pistols with lights, optics and flared magwells. Does not pair well with extended magazines