A fluid reservoir for use with a fluid infusion device is provided. The fluid reservoir can include a first portion having a first end and a second end. The first end can include an alignment feature and a delivery port. The fluid reservoir can include a second portion coupled to the second end of the first portion, with a portion of the second portion movable within the first portion to advance a fluid out of the delivery port. The fluid reservoir can also include a reservoir defined between the first portion and the second portion that receives the fluid.
