Hornady BLACK .300 AAC Blackout 110 Grain Centerfire Rifle Ammo features a Hornady NTX bullet, which offers a non-traditional, lead-free, frangible copper alloy core material. Hornady loads these rounds with accuracy and reliability they are famous for. High-quality cases, primers, and powder optimize these loads for superior reliability in all types of rifles. .300 AAC Blackout 110 grain NTX bullet Lead-free, copper core Quality primers, casings, and powder