30.06

 is a Fallout Tactics ammunition type.

Weapons using this ammunition

 * Browning Auto Rifle
 * M1 Garand

Behind the scenes

 * The .30-06 Springfield cartridge (7.62x63mm in metric notation) was introduced to the United States Army in 1906 (hence “06”) and standardized, used until the 1960s and early 1970s.