Higher magazine capacity on 6mm ARC rifles also means that users can spend more time shooting and less time reloading. The Hornady 6mm ARC cartridge case uses a 6.5 Grendel bolt, ...

Hornady’s new ultra-efficient, AR-15-compatible 6mm Advanced Rifle Cartridge (ARC) just might be the ultimate do-all, low-recoiling cartridge for sportsmen and target shooters alike.