"Texas"s main armament consisted of two /35 caliber Mark I guns mounted in single Mark 2 hydraulically powered turrets inside her armored redoubt. These guns had a maximum elevation of 15° and could depress to −5°. Eighty rounds per gun were carried. They fired a shell at a muzzle velocity of to a range of about at maximum elevation. The fixed rammers were below and outside the turrets. Initially, they could only be loaded at one positions, dead-ahead and at 0° elevation, but they were modified to load at all angles of train just before the start of the Spanish–American War.