This late 1800s antique shotgun shell brass is in the hard to find

This late 1800s antique shotgun shell brass is in the hard to find 8 gauge size and was made by Union Metallic Co.

If someone found shotgun shells in the 1870s, would they have been able to determine what model of shotgun was used? - Quora

GUNS Magazine Double Ought! - GUNS Magazine

Cartridge (firearms) - Wikipedia

10 Gauge vs 12 Gauge - Shotgun Caliber Comparison by

Damascus - Gray's Sporting Journal

My brother is an avid gunsmith and I just convinced him to start playing Red Dead. He sent me this picture this morning, he already owns the double barrel shotgun. : r/RedDeadOnline

Shotgun shell - Wikipedia

Old Air-Gun Canes: Deadly Accessories for the Dandy - Guns and Ammo

Pair of 1900 Winchester No 12 Brass Shot Gun

Federal Field Range 20-Gauge 2-3/4-in #7.5 Lead Shotgun Shells

Cleaning 10 Gauge Brass Shotgun Shells Presented by Larry Potterfield

Shotgun Shell Brass Ends – 25 Pack

12 Gauge Shotgun Shell Headstamps End Caps

New Starline 45 Colt Brass- 50 Count - Steinel Ammunition Co.