Unlimited Ammo™ is a Finnish brand that manufactures high-quality, high-performance shotgun cartridges for hunting. The brand is owned by the long-established family company Raimo Olkkonen Oy from Haapajärvi, and the cartridges are manufactured by HPKVV-Yhtiöt Oy, which is the only Finnish company that loads shotgun cartridges. The origins of UnA cartridges run deep in Finnish loading expertise, where hard-earned experience and know-how have been successfully combined with top-tier materials. The result is a cartridge range whose effectiveness and performance are second to none.

The first UnA-Tungsten cartridge loaded with tungsten shot to receive C.I.P. marking came to market in 2013, and very soon after its release it secured its position as the most powerful cartridge on the market thanks to its finely tuned characteristics. UnA-Tungsten is almost pure tungsten, and due to its high density its effectiveness as a shot material is unrivalled. Over the years, UnA shot has become a concept and an established term among hunters. When people talk about UnA shot, it is clear they mean UnA-Tungsten—a reliable, powerful, and proven shot material for demanding hunting situations.

Over the years, the Unlimited Ammo cartridge range has diversified and expanded to cover all the needs of shotgun hunters. UnA cartridges are produced in 12, 16, and 20 gauge, and in addition to UnA-Tungsten, the shot materials used include copper, steel, and proven combination loads. All materials used are non-toxic and therefore meet wetland requirements for lead-free loads. Several loads can also be fired from older shotguns designed for smokeless powder, meaning the firearm does not need to be steel-shot proof.