the model designation was changed from 4410 to 4510 to more accurately reflect the revolver’s versatility (.45 Colt + 410 shot → “4510”).Taurus International reports that the Judge is their top-selling firearm.
The rifling is shallower than normal, giving single-projectile loads less stabilization than they would receive in other handguns while reducing the rapid dispersion of the shot from shotshells.
Taurus developed the shallow rifling after numerous experiments to find rifling that worked well with both types of ammunition.
Though Taurus deliberately designed the Judge to fire shotshells, the Judge does not qualify as a “short-barreled shotgun” under the National Firearms Act of 1934 as its rifled barrel makes
it a regular handgun. However, the Judge is considered a short-barreled shotgun under California state law, which has a broader definition of “short-barreled shotgun,” and the Judge is thus illegal to possess in that state