HSM Ammunition Starline Rifle Brass Unprimed Cases 7mm-08 Rem Caliber 50 Per Bag. This flat shooting mild recoiling caliber has a devout following of both hunters and competition shooters. The wide selection of 7mm (.284") caliber bullets makes it a very flexible cartridge. It is widely available in both semi-auto and bolt action rifles as well as several single-shots and a few pistols. Specifications for Starline Brass Unprimed Cases 7mm-08 Rem Rifle Brass: Manufacturer: HSM Ammunition Gun Type: Rifle Caliber: 7mm-08 Remington Primed: No Quantity: 50 Fabric/Material: Brass Package Contents: Starline Brass Unprimed Cases 7mm-08 Rem Rifle Brass