Gun shop or sporting goods store
The Model 19 is a 357 Magnum
100-1000 USD or so
When referring to the .40 caliber cartridge, SW always stands for Smith and Wesson, regardless of the brand of the gun, because the .40 S&W cartridge was designed by Smith and Wesson. The offical name of the cartridge is .40 S&W, just like the official name of the .45 is .45 ACP (Automatic Colt Pistol). People have a habit of leaving off things they don't think are important, so the .40 S&W is commonly called just "40."
Model 91 is a model number for handcuffs. If you mean a Single Shot Model of 1891, the single shot pistol, 100-2000 depending on EXACTLY what you have and condition.
it is a Model 39-2 9mm pistol
300-700 USD
Cartridge
value of smith & Wesson model 5906 pistol
GAP = Glock Automatic Pistol It is a shorter .45 caliber cartridge and loading created by the Glock corporation.
Smith&Wesson model 14
Kel-Tec manufactures a Model PMR-30 Semi-Auto pistol chambered for a .22 Magnum cartridge (.22WMR) with a 30 round clip capacity.
357 Magnum