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re: Official AR-15 thread

Posted on 3/22/13 at 12:24 pm to
Posted by bulldog95
North Louisiana
Member since Jan 2011
20743 posts
Posted on 3/22/13 at 12:24 pm to
I want a S&W .300 whisper upper. I read you can shoot 300 blackout and whisper ammo with that upper.
Posted by Soul Gleaux
Baton Rouge
Member since Sep 2012
4029 posts
Posted on 3/22/13 at 12:26 pm to
You can shoot both with any upper, they are the same round. The "whisper" term was around before AAC termed it the "blackout" so thats what some companies market it as still (namely hornady).
ETA: Here's some literature on it. Cant really just take some faceless person at the other end of the internet's non-sourced opinion on something as fact. LINK
This post was edited on 3/22/13 at 12:43 pm
Posted by AUTimbo
Member since Sep 2011
2886 posts
Posted on 3/22/13 at 2:40 pm to
I was told the exact opposite.

You can shoot both Backout and Whisper out of a Blackout upper.

Anyone with the honest to God Truth on this?
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