RIFLE: STEYR FIREARMS MODEL 1896, SERIAL NUMBER 3961, OTHER, CASE NOT INCLUDED, BOLT, 6.5X53R, 25.5 Notes: The Steyr Model 1896 Mannlicher is a historic military bolt-action rifle associated with the Portuguese military and chambered in the 6.5x53mmR cartridge. Portugal ordered approximately 12,500 rifles and carbines from Steyr beginning in 1896 for naval and cavalry use, with additional rifles supplied for artillery. The design uses the Mannlicher action and en-bloc clip system characteristic of this early generation of military repeaters. Key Features & Specifications Manufacturer: Osterreichische Waffenfabriks-Gesellschaft (Steyr), Austria Model: Model 1896 / Portuguese Mannlicher M1896 Type: Military bolt-action rifle/carbine Caliber: 6.5x53mmR Also known as: 6.5x53.5mmR, .256 Mannlicher Action: Mannlicher bolt action Feeding system: 5-round en-bloc clip Cartridge type: Rimmed, bottleneck centerfire Origin: Austria-Hungary Portuguese service: Used by Portuguese naval, cavalry, and artillery units Markings: Portuguese examples may bear the "CI" monogram of King Carlos I Period: Late 19th/early 20th-century military rifle The 6.5x53mmR cartridge was designed in the early 1890s and subsequently became associated with Romanian, Dutch, and Portuguese Mannlicher military rifles. The cartridge has a 53.5 mm case length and uses a rimmed case design.