I have two options for 223 chambers, both the same body (which is also the same as a Wylde)
0.062 freebore (a Wylde is 0.0618, so it's a Wylde, I just got tired of people calling and saying "What's the freebore of your Wylde")
0.100 freebore (designed for bolt guns shooting 70+ grain bullets...