Lapua Unprimed Brass Rifle Cartridge Cases 100/ct 6.5X55 Swed Mauser. Advanced metallurgical research and manufacturing techniques ensure that Lapua cases are leaders in uniformity and quality. Lapua cases are built to reload again and again.Case Construction base: The base section is hard and strong and the dimensions remain constant and will hold primers tight in primer pocket even after repeated reloading Body: The brass body section is hard and firm. It is easy to extract after firing whether full sizing or only neck sizing was used in reloading Neck: Strict tolerances in concentricity and wall thickness are used in manufacturing. The neck and shoulder are annealed to withstand repeated reloading Specifications for Lapua Unprimed Brass Rifle Cartridge Cases: Manufacturer: Lapua Gun Type: Rifle Caliber: 6.5x55mm Swedish Primed: No Fabric/Material: Brass Brass Quantity: 100 Piece Package Contents: Lapua Unprimed Brass Rifle Cartridge Cases Lapua 4PH6012: Unprimed Brass Rifle Cartridge Cases 100/ct 6.5X55 Swed Mauser