300 Blackout cartridge in a .223/5.56 PMag?

doggin coyotes

Well-known member
I know nothing about the 300 Blackout.

Will the cartridge feed through a .223/5.56 PMag ok?

Or does it use an all together different magazine?

Thanks.
 
Depending on the shape of the ojive on your bullet, I have had some that rub a bit on feeding through the PMAG. They have a small "bump" on the sides of the PMAG to help rounds feed and sometimes they catch a bit. That's the only problem I've ever seen.
 
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