Fully automatic shotgun, no. Automatic rifles and machine guns, yes.
No.
He was an inventor.
Not for commercial sale.
No
Both the sweet sixteen model and the regular production semi auto shotguns were Browning auto-5 shotgun models.The regular Browning auto-5 shotgun had engraving on the receivers just like the sweet-sixteen.
No
Browning did not make a Model 755. Savage made a 755 that was similar to the Auto 5.
All my research indicates that browning never offered the auto-5 shotgun in .410 gauge.
The 5G prefix shows that you have a Browning auto-5 light weight 12ga.shotgun that was made in the year 1965.
Browning made the first sucessful semi auto shotgun over 100 years ago, along with semi auto rifles (BAR from WW 1) pistols (Browning Hi Power from 1935) and machine guns (.50 caliber Browning)
No.Savage made these shotguns,but paid patent rights to Browning for the use of John M Brownings design for there shotgun.
Browning does not make an A bolt shotgun, they sell an A bolty rifle