"Post Human-Covenant War"@en . "Automated Weapon"@en . "M423 Sentry Gun"@en . "9.5"^^ . . "1.6"^^ . "The M423 Sentry Gun is an automated six-barreled rotary gun that fires 9.5x40mm rounds at a rate of 150 rounds per second. It is primarily a stationary weapon used for fortifying and/or securing a location. However, recent retro-fittings have shown that it can be used on heavy vehicles like the M908 Heavy Tank."@en . "High"@en . . . "150"^^ . "*Interspecies Union\n**UNSC"@en . . . "M423"@en . . "M423 Sentry Gun"@en . . . "The M423 Sentry Gun is an automated six-barreled rotary gun that fires 9.5x40mm rounds at a rate of 150 rounds per second. It is primarily a stationary weapon used for fortifying and/or securing a location. However, recent retro-fittings have shown that it can be used on heavy vehicles like the M908 Heavy Tank."@en . . "Automatic"@en .