The phrase "available gun" is correct and usable in written English.
It can be used in contexts where you are referring to a gun that is currently accessible or ready for use.
Example: "The police reported that there was an available gun at the scene of the incident."
Alternatives: "accessible firearm" or "ready weapon".
"Therefore he's available gun fodder".
On 1 January 2014, he moved his biggest available gun, Sir David Higgins, to the project.
Yet he half hopes, half believes that soon, thanks to the convergence of file-sharing and 3D printing, there will come about "a complete explosion of all available gun laws.
He hopes that his files will lead to "a complete explosion of all available gun laws … I think we should have the right to own all the terrible implements of war".
Writing on the official blog, however, Solid Concepts has said that it is "weighing its options for the future" and that any commercially available gun would retail "in the five-figures".
Such is the level of vitriol against Clinton from one side and Trump from the other, in an atmosphere already febrile in the wake of police killings and the killings of police, that one must surely fear the possibility of an act of violence by an unbalanced person carrying an easily available gun.
Easily available guns, used in roughly half of all murders, are increasingly popular.
"The gun lobby is loud and well organized in its defense of effortlessly available guns for anyone," Obama said.
In May, Hogan-Howe warned that the rise in the number of available guns meant terrorists had a greater chance of getting their hands on lethal weapons.
Mr. Salema, a Mozambican who saw his own country consumed by civil war, now sees boys in the Solomons, half a world away, tempted into ethnic strife and plain armed banditry when readily available guns combine with hard times.
As police commissioner under Mayor Dinkins, he took over a department that had just faced some of the deadliest years in city history, as the lethal combination of a crack epidemic, a recession and easily available guns drove the murder rate above 2,000 a year.
