There've been a few, but if you're thinking of military firearms, it's GIAT Industries.
Heym - gun manufacturer - was created in 1865.
Steyr Mannlicher is a gun manufacturer. It is located in Steyr, Austria.
A manufacturer.
yes
no
Abraham - French aircraft manufacturer - was created in 1930.
Maker or manufacturer.
No. Making a gun manufacturer pay for the cost of gun violence is like saying a car manufacturer should pay for injuries any time a car is in a wreck, or saying that a knife manufacturer should pay for injuries anytime someone is stabbed.
Ingram was a gun manufacturer. Their most famous product was the MAC-10.
Stevens had the "Favorite" line of .22 rifles.
smith and weston
On the frame and or barrel