The AK-203 is a modernized 200 series AK-103 variant and one of the modern derivatives of the Russian AK-Pattern series of assault rifles. … The AK-203 is reported as the latest and most advanced version of the most abundant firearm in the world, the AK-47 assault rifle.
AK Pistols are AK-series firearms without a stock and with barrels commonly shorter than 16 inches. Because they lack a stock and have a rifled barrel, they are defined as pistols by law. It seems silly, but it’s a legal workaround to the National Firearms Act. As a pistol, these guns are regulated as pistols.