According to the NFA, a machine gun is defined as “[a]ny weapon which shoots, is designed to shoot or can be readily restored to shoot, automatically more than one shot without manual reloading, by a single function of the trigger.” This definition includes any frame, receiver, or parts to make a machine gun. The State of Ohio allows transferable machine guns. Examples of these firearms are AK-47’s, M16’s, M4A1’s, etc.
Short Barreled Rifles (SBR)
A short-barreled rifle (SBR) has a barrel of less than 16 inches or overall length of less than 26 inches, as defined by the NFA. This also includes any weapon made from a rifle that is of the same dimensions. The stock must be extended on folding stock rifles when measuring the length. Pistols with shoulder stocks may be considered a short-barreled rifle if they meet other requirements. Some examples of these are Daniel Defense MK18, Q LLC Honey Badger, Sig Sauer MPX/MCX or any AR-15’s built with a barrel shorter than 16”.
Short Barreled Shotguns (SBS)
An SBS is any shotgun having a barrel less than 18 inches long, or any weapon made from a shotgun that is less than 26 inches long. A shotgun is a shoulder-fired, smooth bore firearm. Examples: H&K Fabarm FP6, Seraphim Armory 9″ SBS, customized “sawed off” shotguns.
Silencers / Suppressors
A silencer or suppressor is any device that is used to muffle or diminish the sound of the gunshot of a portable firearm. This also includes any parts used to build a silencer or suppressor. Examples are Gemtech, AAC, YHM, SilencerCo, etc.
Any Other Weapon (AOW)
This is a miscellaneous weapons category. According to the NFA, an AOW is ” any weapon or device capable of being concealed on a person from which a shot can be discharged through the energy of an explosive.” Examples: a cane gun, a pen gun, pistol with a forward grip.