It is a rifle round and as such it had a muzzle velocity of about 731.5 m/s. The case was rimless and it was made of brass. It also had a total weight of 11.3 grams and the case length is 58 mm. The entire length of the bullet however is 79.5 mm. The bullet is also 7.8 mm in diameter and it was meant to be used by the Arisaka Type 99 Rifle and the Type 99 LMG. Another cartridge that is extremely similar to the Type 99 Rimless is the British .303 Cartridge.