Lapua 223 Remington Rifle Reloading Brass - 100 Count - The .223 Remington is one of the most popular calibers worldwide, one of probably top-three rifle calibers. Lapua's .223 Rem. case offers unbelievable performance when it comes to precision and reloading. The large case volume ensures high velocity potential, making the .223 Rem. a match class brass for any competitive shooter chambering in this caliber. Lapua's .223 Rem. case uses the Small Rifle Primer (SRP). It is available in the new cardboard 100 pcs Lapua brass box. The brand new case box has been designed to keep Lapua brass in pristine condition during shipping, ensuring that your reloading experience is on the best level.