This 20" Case #227 has pre-cut foam for 6 Pistols and 27 magazines. Pistol forms are 10.25” length x 1.25” width x 4.25” deep. Magazine forms are 0.875" x 1.25" and 4.25" deep. Includes convoluted (egg-crate) foam in the lid. Fits with optics and flush mounted lights and flared magwells up to 1 5/8" wide. Does not pair well with extended magazines ?WARNING: Reproductive Harm - p65warnings.ca.gov/