[envisio]

.556 is better IMHO.

You can shoot .223 if its chambered for .556 but not visaversa.

Be ready to stand in line.

I put an AR-15 online and got 73 replies within the hour. I could have asked whatever $$$ I wanted.

[envisio]

*** I mean 5.56*****

[TexasTransplant]

***** “You can shoot .223 if its chambered for .556 but not visaversa” *****

Ruger Mini 14 can do both ... either that or I was one lucky sob ... I lost that puppy in that horrific boating accident.

TT