Colt Model 1927 pistol. The stock has wooden grips, the remainder being made of steel. The butt incorporates the magazine which takes seven rounds. The barrel is hidden by the cocking slide which takes up the whole of the top of the weapon. Blowback semi-automatic. The barrel is enclosed within the slide. The calibre is 0.45in. 'MARINA ARGENTINA GOVERNMENT MODEL C140744 [serial number] M-11-56' are inscribed on the firearm.