In all honesty, my liking the 300 Blk is that the AR15 in 223 is not a good cast shooter.
Getting an AR setup and having a handi both 300 blk is an idea -- maybe not at the same time ......but in the end have both.Then the higher priced dies are off set with having two ... and the Handi loaded down would be a plinker / small game hunter.....Full power would be a short / mid range deer gun.. The small case, and a Survivor Buttstock for me please !
I do agree that a 30-30 or 32-20 could fill the bill with a rimed case...if there is no AR in your plan...
Those with 7.62 x 39 Handi's could say the same thing.. But will not sell / or trade.....If the 300 BLK are made right - it will be a keeper/ at a very good Handi price..
I don't agree that the folks that have a 300 whisper in a TC are unhappy -- there may be a few ,,,, there is not a lot of used barrels for sale cheap...I belive most are happy -- or sell them to someone willing to pay fast, - Dan