The lever-action rifle is a high-powered rifle using the common 10mm round. They have a rather low rate of fire, as the action needs to be cycled after every shot, but make up for it by being highly accurate, and having a large ammunition capacity. However it is delicate and will break easily.
While the models and animations of the lever-action rifle are identical to Lincoln's repeater, they have separate repair lists, and cannot repair one another.
Similar to the tri-beam laser rifle in Broken Steel, the lever-action rifle has an object effect which inflicts an extra 35 damage per hit when used by non-player characters against the player. This damage ignores Damage Resistance and is independent of the condition of the weapon.
A single rifle can be found in an alcove on the right side of the bumper car pen, when looking at the bumper cars from the House of Wares. A dead smuggler can also be found in the alcove.
During the quest Hearing Voices, several rifles can be found in the sea-cave on the floor in the room where you encounter Jackson.
One can be found on the workbench in the basement of the Trapper's shack
A lever-action rifle can be found on the seabed near the dinosaur remains, under the buoy directly south of the Coastal Grotto.