Allen Case Auto-Fit 9" Handgun Black Blue The AUTO-FIT Handgun Case from Allen fits most handguns up to 9 and features thick foam padding a soft knit interior lining with a muzzle sleeve. The outside of the case is constructed of rugged Endura fabric and contrast accent stitching/embroidery. A large pocket holds a spare mag eye/ears or other accessories. Lockable. - Fits most semi-automatics with a barrel length up to 5 and most revolvers with a barrel length up to 4. Interior dimensions: 9 x 7.