Okla. Stat. tit. 21, § 21-1289.5: Definitions for Firearms Act - Shotguns

DEFINITIONS FOR FIREARMS ACT

"Shotguns" as used in the Oklahoma Firearms Act of 1971, shall

mean any firearm capable of discharging a series of projectiles of

any material which may reasonably be expected to be able to cause

lethal injury, with a barrel or barrels more than eighteen (18)

inches in length, and using a combustible propellant charge, but not

to include any weapon so designed with a barrel less than eighteen

(18) inches in length unless the overall length of the firearm is

twenty-six (26) inches or more. In addition, any "shotgun" capable

of firing single projectiles but primarily designed to fire multiple

projectiles such as "shot" will be regarded as a "shotgun".