A "J" frame handgun refers to the Smith & Wesson small frame revolvers such as the model 36 and to any other handguns of that size (Taurus, for example, has a virtually identical revolver) which are build on the J size frame. S&W makes K, L, N, and X frame revolvers In ascending order of size.
You will have to be more specific. Long gun or hand gun?
On the frame and or barrel
Size.
it is like a gun or it can also mean a "J" for Jeff it is like a gun or it can also mean a "J" for Jeff
It is not a J or K frame.
In between the K and N frames. Models include the 586 and 686.
Serial numbers are not exclusive to one gun - hence, there is no way of answering this question, even if you had provided the serial number.
A person can buy a used Beretta 84 gun frame through websites like Gunbroker or at local gun shops. The frame is the main component of the gun where other parts are attached.
The "J" frame is the Smith & Wesson small frame revolver such as the model 36 .38 special. The smallest frame, as in the model 36 Chief's Special.
Colt J frame.
J frame
a hand gun