Got this press release from Sig today. New Copper Bullet Option for 300 BLK hunters: SIG SAUER® Introduces New SIG HT™ 300BLK Supersonic Ammunition for Hunting Newington, NH (January 11, 2016) – SIG SAUER, Inc. is pleased to announce a new supersonic 300BLK Elite Performance Ammunition round designed specifically for hunting. The SIG HT™ 300BLK cartridge features a …