1911 Colo. Sess. Laws 408-09

Section 1. In this Act, the term "firearms" means a pistol, revolver or other weapon of any description, loaded or unloaded from which any shot, bullet, or other missile can be discharged, and the length of the barrel of which, not including any revolving detachable or magazine breech, does not exceed twelve inches. The words "antique firearms" shall not include firearms as hereinbefore defined, with or for which ammunition is not sold, or which there is reasonable ground for believing are not capable of being effectually used. Section 2. This act shall not affect the rights conferred or penalties imposed, concerning firearms by the Constitution of this State, or by laws heretofore enacted and now in force, except in so far as said laws are inconsistent herewith. Section 3. Every individual, firm or corporation engaged, within this commonwealth, in the retail sale, rental or exchange of firearms, pistols or revolvers, shall keep a record of each pistol or revolver sold, rented or exchanged at retail. Said record shall be made at the time of the sale or exchange in the premises of this act by any person, is herewith authorized and shall include the name of the person to whom the pistol or revolver is sold or rented, or with whom exchanged; his age, occupation, residence, and, if residing in a city, the street and number therein where he resides; the make, calibre and finish of said pistol, or revolver, together with its number and serial letter, if any; the date of the sale, rental or exchange of said revolver; and the name of the employee or other person making such sale, rental or exchange. Said record book shall be open at all times to the inspection of any duly authorized police officer. Section 4. Every individual, firm or corporation failing to keep the record provided for in the first section of this act, or who shall refuse to exhibit such record when required by a police officer, and any purchaser, lessee or exchanger of a pistol or revolver, who shall, in connection with the making of such record, give false information, shall be guilty of a misdemeanor, and shall, upon conviction, be punished by a fine of not less than twenty-five, nor more than one hundred dollars, or by imprisonment in the county jail for a term not exceeding one year, or by both such fine and imprisonment. Section 5. Justices of the Peace, within their respective counties, shall have jurisdiction to hear and determine all cases arising under the provisions of this Act, and appeal from judgment shall be to the County Courts in the respective counties in the same manner as is now provided by law for appeals from judgments of Justices of the Peace in the cases of misdemeanor.