Based on the .45-70 case, this proprietary cartridge is made popular because of its big power but manageable recoil.
Starline .480 Ruger Unprimed Brass Cases 50 Count 480REUP-50 [FC
Starline Brass Rifle, Handgun, and Pistol Brass
Starline Brass, Brands
STARLINE, INC 480 RUGER BRASS
Austria Arms
Starline Brass STAR480REUP5 Handgun 480 Ruger Brass 50 Per Bag
Starline Brass 480 Ruger Bag of 100 (Bulk Packaged)
Starline Brass 480 Ruger Bag of 100 (Bulk Packaged)
Starline Brass Rifle, Handgun, and Pistol Brass
Austria Arms
Starline Brass 480 Ruger Bag of 100 (Bulk Packaged)
480 Ruger Brass - Large Pistol - Brass Cases
480 Ruger New unprimed Brass at Bullets and Brass