The K9000/FIDO are the only two I can think of, and those fire.
Scoped automatic weapons in F:NV: not that many.
From Ratslayer to All-American to La Longue Carabine to the Anti-Materiel Rifle, they are well-represented.
Fallout: New Vegas has scoped semi-auto/bolt/lever rifles dropping out of the sky.
Presumably, people like the Bozar because of how it actually worked and how its icon looked, not because of what its description said or how it looked on the Chosen One's tiny avatar.
Its icon looked cool and very distinctive.
The Bozar in Fallout 2 was, functionally, an accurate, fast burst fire weapon.
Sawyer: "Guys, let me walk you through my design logic on implementing the Bozar.