Grandpa's 30-06 from WW2 from 200 yards will penetrate anything but trauma plates.
If it's a hand-carried firearm of any kind (including crew-served weapons like the M249, M240B, M60), it's not a "heavy weapon."
> The second amendment was written in a time when a firearm was a musket.
At the time the Second Amendment was written, there were entire private navies with actual cannons far more destructive than any man-portable firearm available today. No background checks on those ships or cannons, either, btw.
If it's a hand-carried firearm of any kind (including crew-served weapons like the M249, M240B, M60), it's not a "heavy weapon."
> The second amendment was written in a time when a firearm was a musket.
At the time the Second Amendment was written, there were entire private navies with actual cannons far more destructive than any man-portable firearm available today. No background checks on those ships or cannons, either, btw.