RE: help on what kind of 223 caliber to buy?
I' ve got a NEF/H&R 223 single. It' s pretty much a tack-driver. 100yd groups are under an inch.
I spent $179 on the gun and another $20 when I sent it back to have the trigger lightened. That' s impreative if you want tight groups.
The scope is also highly important. If you are on a budget, save some dough for the scope.