CCI Small Pistol Primers For Sale. CCI small pistol primers are a type of small pistol primer manufactured by the CCI (Cascade Cartridge Inc.) company. Small pistol primers are ignition devices used in firearms, specifically in handguns, to ignite the gunpowder in the cartridge and propel the bullet out of the barrel. CCI is a well-known and respected brand in the firearms industry, and their small pistol primers are known for their consistent ignition and reliability. CCI Small Pistol Primers For Sale.