- Jul 29, 2014
- 50,146
We pretty much can assume the 300 AAC or Black Out can not be fired through a .22 caliber bore such as the the 5.56.
What about the opposite? Some believe a 5.56/.223 round can be chambered and shot from a 300 AAC barrel, rendering that gun a "copycat" of the scary AR 15 and in being so, must adhere to guidelines(heavy barrel) set by FSA 2013.
I say bunk!
There are many here among us who disagree and push the idea that 300AAC ARs must have heavy barrels. Here is my evidence to the contrary.
Here is what I found in just a short search. I would love for those who believe and espouse the notion that a 5.56/.223 can be fired through a 300 BO barrel, post some proof this is at all possible. I've held that at the very least, is inadvisable and more so, impossible.
What about the opposite? Some believe a 5.56/.223 round can be chambered and shot from a 300 AAC barrel, rendering that gun a "copycat" of the scary AR 15 and in being so, must adhere to guidelines(heavy barrel) set by FSA 2013.
I say bunk!
There are many here among us who disagree and push the idea that 300AAC ARs must have heavy barrels. Here is my evidence to the contrary.
Here is what I found in just a short search. I would love for those who believe and espouse the notion that a 5.56/.223 can be fired through a 300 BO barrel, post some proof this is at all possible. I've held that at the very least, is inadvisable and more so, impossible.