TFirearms, or Teaghlach Firearms, is a veteran-owned and operated custom, one-stop firearms shop located in Altus, Oklahoma. Have a gun-related question or issue? We can take care of everything you need! Teaghlach —pronounced “choy-lock”— is an old Gaelic word loosely defined as “those in the extended community that are considered family.” Family is the primary inspiration and passion behind TFirearms. We treat each customer with the respect and quality of service we would expect our own family to receive. At TFirearms, guns are our passion, and we want to share that passion with you.