That depends on how you define the term "assault rifle" since there are practical definitions and legal definitions. One definition is a shoulder fired weapon capable of semi or full auto fire, fed from a detachable magazine, and firing a cartridge of lesser power than a standard military rifle. By that definition, ONE candidate for the US First Place award may be the M-2 Carbine. The M-2 was a select fire version of the M-1 Carbine. It fires the Cal 30 Carbine cartridge, and fed from a 10, 15, or 30 round magazine. It was developed during WW II.
The first true assault rifle debuted in 1942.
The German FG42 was the first true assault rifle.
Stg44 is the first..
The G41 assault rifle is manufactured by Heckler and Koch. This assault rifle was first launched in 1981 for a limited run and production rights have since been sold to Luigi Franchi.
Assault rifle.
STG 44 1940 (Nazi) techinically an assault rifle due to the rifled barrellbut it was developed off of the machine pistol 40. the first "true" assault rifle in it's own right is the automatic kalashnikov 47. this is the most known and is tsill used today
The SOAR (Special Operations Assault Rifle).
There are several different assault rifles - both by the true definition of an assault rifle and by the political motivated BATFE definition of a so-called "civilian assault rifle", manufactured by several different outfits. Which assault rifle did you have in mind, specifically?
Germany invented the first assault rifle-the Sturmgewehr or STG
The first ever assault rifle is the MP-44 aor sturmgewer 44. In Nazi germany, they wanted a weapon that is automatic, but at the same time, as accurate as the rifle. The MP-44 was the father of the AK-47, because it is based on the MP-44.
You will need to define assault rifle, and where you live. A TRUE assault rifle is a machine gun, and transfers of them are tightly regulated by the Federal government. What most people CALL an assault rifle is nothing but a semi-automatic rifle, and in most of the US, does not require a license to possess.
Only with a very small assault rifle, or a very large purse.