Starline Brass Unprimed Cases 50-90 Sharps 50/Pack Originally Designed For Black powder, This Obsolete Vintage Cartridge Is Again Rising In Popularity Due To The Advent Of Cowboy Action Shooting And Black powder Silhouette Competition. Type: Unprimed Case Material: Brass Style: Large Length: 2.491"-2.497" Gun Type: Rifle Metal Type: Brass Caliber Or Gauge: 50-90 Sharps Quantity: 50 Per Bag Recommended Usage: Reloading