Originally Posted by UNKNOWN_370

5.56 is ballistically bad for CQB imho. I'd look into 300 blackout and 6.8 if you don't want your rounds going through your target like a speeding needle. Plus you can push 122 gr rounds over 40-77 grain rounds which definately hit harder. Even the new m855a1 ammo for 5.56 cant compare to these rounds for stopping power.
IMHO, if you need OTM ammo to stop people well instead of generic FMJ rifle rounds. It's not a good defense round unless you can obtain an OTM rounds cheaply. 5.56 otm ammo is expensive. Silver state is awesome ammo at a good price for the 5.56, but currently, anything worth putting into a 5.56 rifle for CQB is sold out and prices are upmarket. For that i'd support a round that with enough sales, prices will drop and you can get more effective stopping power with a basic round. 6.8 and .300blackout have devastating affects on targets both CQ and LR.