4 Bore Rifles – Magnum of Magnums
The standard load was 14 drams of black powder behind a 1,882-grain slug, which would give an approximate velocity of 1,200 to 1,400 feet per second.
Why aren’t more people using the 20 Gauge for Home Defense?
Lack of industry support for the 20 Gauge Shotgun makes life harder to custom the shotgun for Home Defense.