23 mm caliber

• .50 BMG
• 12.7 x 108 mm
• 14.5 x 114 mm
• 20 mm caliber
• 23x115mm
• 23x122mm
• 23x139mmSR
• 23x152mmB
• 25 mm caliber
• 40mm grenade
• Bofors 40 mm gun
• Caliber
• List of cartridges (weaponry), pistol and rifle
• ammunition
• autocannon
• cannon