These are old 12 gauge brass shotgun shell casings from Italy. - Antique Mystique

These are old 12 gauge brass shotgun shell casings from Italy.

Shotgun

full brass cased 12 gauge in a semi auto?

Double Demon - Lot of Paper Shells - General Ammunition Discussion - International Ammunition Association Web Forum

Black Empty Shotgun Shells 12 Gauge Hulls Shotshells 12GA Casings –

What is the meaning of 'point blank range' when discussing firearms? - Quora

Crystal Bullet Shell

Winchester No. 12 Brass Shotgun Shells Circa 1890

Double Demon - Lot of Paper Shells - General Ammunition Discussion - International Ammunition Association Web Forum

Winchester No. 12 Brass Shotgun Shells Circa 1890