1075tech
.338 Win Mag
It depends on the county. When I built mine, I filled out the amendment with the information from the lower. There's a box to check "frame only". Provided a copy of the receipt. Because NY wants to know barrel length and caliber, I just had to send a copy of the receipt for the barrel.I'm actually curious about this.
Also curious about how to turn a stripped lower into a pistol...my friend was asking and I didn't have an answer to tell xim