The sweet 16 gauge shotgun is the most logical of all the gauges. Terry Weiland explains why has it fallen from popular use.
The Problem with 16 bore
16-Gauge Shotguns - Everything You Need to Know
What are the advantages of a 16-gauge shotgun? - Quora
Why has the sixteen gauge shotgun fallen out of favor? - Quora
Skeet shooters killed the 16 gauge - The Town Tavern - SurfTalk
The Comeback of the 16 Gauge - Petersen's Hunting
16-Gauge Shotguns - Everything You Need to Know
16-Gauge Shotguns - Everything You Need to Know
What are the advantages of a 16-gauge shotgun? - Quora
The Sweetness of 16 Gauge: Nostalgia, Nonsense or Something More? - The Truth About Guns
The Comeback of the 16 Gauge - Petersen's Hunting