The Hornady Black Rifle Ammo 6mm ARC 105 gr BTHP brings the Hornady Black series to the AR-15 platform with a loaded round designed for hunters, match shooters and those seeking capable personal defense performance, and you'll appreciate the high-BC 105 grain boat-tail hollow point that yields a muzzle velocity around 2750 fps and muzzle energy near 1763 ftlbs for flat trajectories and effective terminal results. As a salesperson, Ill tell you this round pairs brass-cased reliability with Hornadys selection of bullet options and quality componentscases, primers and propellantthat help deliver consistent ignition and repeatable accuracy from prone match rigs to lightweight hunting rifles. Made in the United States and finished with brass casings, the 6mm ARC cartridge in the Hornady Black lineup is tuned to extract maximum performance from modern semi-automatic platforms while remaining versatile enough for benchrest testing, precision rifle competition and field use where long-range potential and controlled expansion matter.