Shotguns made by a 29 year old man who was arrested while trying to sell one of the weapons at a bus station in the Central Region of Rio Grande do Sul, Brazil. Each appears to be an improvement over the traditional improvised design with the addition of a ‘trigger’ type safety / barrel lock leaver.
Submachine gun chambered for 9×18 with a rifled barrel containing six left-hand grooves. The overall length with folded shoulder rest is 304 mm. It is based around and operates similar to a self-loading pistol and may have been the result of studying the mechanism of a Makarov PM.
10mm smooth-bore bullpup:
Homemade 9×17 rounds:
Homemade 10mm rounds:
Automatic bullpup shotgun:
The weapons above were used in any attack which resulted in deaths of two police officers in Odessa carried out by Valentin Doroshenko, a locally known pro-Russian activist who constructed the weapons above along with ammunition. Despite their Heath Robinsonesque looks they none the less proved lethal and effective.