.300 BLK Cleaning System from Otis

I would very much appreciate it if you could identify the origin and purpose of the cartridges shown in these photos. The bullets appear to be wooden, and all of the cases are primed.

Armscor offers a magnum rimfire chambering in a mid-sized, double-action revolver with the Czechoslovakian Alfa Proj AL22M chambered in .22 Magnum.

Despite facing startup adversity, Texas-based Bond Arms hails as today's largest manufacturer of double-barrel handguns, solving problems by offering concealable and modern-day renditions of the old-school derringer.

Known for its line of affordable, traditionally styled M1911 handguns, Tisas USA launched its new D10 pistol chambered in the 10 mm Auto cartridge.

I have a question about a Rock Island Arsenal holster stamped “E.H.S.” that contains a 1900 Eagle Test Luger serial No. 70XX.