Shooting .223 isn’t cheap, so to get more range time using a dedicated .22lr upper a great option. DPMS just released their new .22 Long Rifle AR-15 upper featuring a 16” 4140 Chrome-Moly steel bull barrel, A3 Picatinny Rail upper receiver and an included 10 round magazine. It retails for $399 at dpmsinc.com.
A little pricey, but it does come with a bull barrel