S.C.R. No. 22 is a resolution passed by the Texas Legislature designating the cannon as the official state gun of Texas. The resolution highlights the historical significance of cannons in Texas, particularly during key events such as the Battle of Gonzales, the Alamo, and the Battle of San Jacinto. It emphasizes how cannons have symbolized the defiance and determination of Texans throughout their fight for liberty and independence. The resolution also notes various historical cannons displayed across the state, which serve as reminders of Texas's rich heritage and struggle for freedom.

The resolution was adopted by the Senate on April 10, 2025, with a vote of 28 in favor and 2 against, and subsequently by the House on May 16, 2025, with a vote of 119 in favor and 5 against, with two members present but not voting. The designation of the cannon as the official state gun aims to honor its role in Texas history and the shared heritage of its residents.