300 Blackout?

[BenY 2013]

Anyone ever heard of this round? I saw it on TV last night, it said it was a .223 case with a .308 bullet.....I was wondering if anyone had built a rifle that shot it. Thanks

 

[sirhitalot]

Anyone ever heard of this round? I saw it on TV last night, it said it was a .223 case with a .308 bullet.....I was wondering if anyone had built a rifle that shot it. Thanks

.300 Whisper - Wikipedia, the free encyclopedia
My next round..

 

[rsilvers]

What TV show was it on?

SilencerTalk • View forum - 300 AAC BLACKOUT

http://en.wikipedia.org/wiki/300_AAC_Blackout_(7.62×35mm)

300 AAC BLACKOUT (300BLK)