The rear seats also folding horizontal extensions to give a degree of lead suitable for firing against aircraft. Some of the early Type 99 rifle was fitted with a folding wire monopod intended to improve accuracy in the prone position. In Arisakas was also one of the only guns of the era to use polygonal rifling in barrels rather than the more traditional lands and grooves. "During destructive testing, Arisakas were stronger than the M1903 Springfield, Lee–Enfield, and Mauser rifles. Tests on samples of Arisaka rifles conducted after the war showed that their bolts and receivers were constructed of carbon steel "similar to SAE steel grade number 1085 with a carbon content of 0.80% to 0.90%, a manganese content of 0.60% to 0.90%. In the course of various wars several productions runs and variants, including the transition from the 6.5 mm Type 38 cartridge larger 7.7 mm Type 99, and the introduction of a paratrooper rifle that could be disassembled into two main parts for airborne operations.
In the Arisaka rifle was designed by Colonel Arisaka Nariakira 有坂 成章, 1852-1915, who later was promoted to Lieutenant General and received the title of Baron from Emperor Meiji, in 1907.
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