LAPUA BRASS 6.5 GRENDEL 100PK - SKU: 4PH6020 6.5 Grendel The 6.5 Grendel is tailored to fit the AR-15 action and it outperforms the .223 Rem. and other cartridges used in the AR-15. The calibre is continuously growing its popularity in the disciplines which demand light recoil and tack-driving accuracy. Lapua cases are the best in the world. The base, body and neck of Lapua cases have been designed to maintain exact tolerances over multiple reloading cycles. Advanced metallurgical research and manufacturing techniques ensure that Lapua cases are leaders in uniformity and quality.