Description

.300 AAC Blackout brass-.300 BLK- 7.62x35mm

100 pieces of HORNADY 300 AAC Blackout cartridge cases, new, unprimed, small rifle primer pocket.  

The .300 Blackout , also referred to as 7.62X35mm is based off of a shortened 5.56x45mm case that is necked to .30 caliber.  The forerunner is the 300 WHISPER (creation of JD Jones from SSK Industry), reloading data is interchangeable between the two cartridges.  A Blackout chamber has a .015 inch longer chamber.