Hello. I have been a member hear for a year, and am project lead at AAC for the new 300 AAC BLACKOUT cartridge. This is version of the 300-221 Wildcat but we have submitted it to SAAMI. Most people are using it in AR15s - as one of the main advantages is that it can feed well from an AR and also cycle the action with supersonic and subsonic ammo.
I envision the specs as 5/8-24 16 inch light-weight threaded 1:8 twist barrel, and a synthetic stock:
I am thinking that a factory chambered Handi Rifle would be good for people who like lighter rifles and less recoil, and also it could have a threaded barrel so it would get more people into sound-suppressors which just makes shooting all around safer and more enjoyable.
So if there is some interest in this, I can work to get it factory chambered.
The ammo is on the way and within a few months should be abundant. I know of seven companies working on 15 different loads for it. We are doing a Model-7 bolt action, but the Handi Rifle is just 5 lbs and costs a lot less.
So let me know what you think.
Compared to 5.56mm
It has been good for deer and boar hunting.
There is some discussion of this cartridge here:
http://www.silencertalk.com/forum/viewforum.php?f=128