Manufacturer: MTM\Case-Gard E50-38-29
MTM has two styles of ammo handgun slip boxes, the E-50 and J-50 series. They both hold 50 rounds. The E-50 series has a non-textured surface and has square cartridge holes.
Specifications and Features:
Holds .38 Special, .357 Magnum, .38 Auto Colt, and 5.7x28
50 Cartridge Capacity
Slip top ammunition box