Lapua 6.5-284 Rifle Brass 100 Piece. 5-284 case with its Large Rifle Primer is a brass favourite of long range target shooters and a good choice for all game for which .264 caliber bullets are considered suitable. This world renowned brass is of match quality that can be loaded more times than any brass from competitors. The Lapua 6.5-284 case is the reloaders dream. Specifications for Lapua 6.5-284 Rifle Brass: Manufacturer: Lapua Caliber: 6.5x284 Norma Brass Quantity: 100 Piece Package Contents: Lapua 6.5-284 Rifle Brass Lapua 4PH6030C: 6.5-284 Rifle Brass 100 Piece