Mags
Magazine - you can only buy 10 rounders in MD, but you can go out of state, and buy them as large as you like and bring them back totally legally.
Larger mags were grandfathered in last October; while you could bring them in I would make sure there isn't a manufacture date stamp or...
Tough angle
Now that I have the mount installed and the scope attached it's tough sighting with the scope so low do you have this issue? What's your prefered distance for shooting?
When I saw it was a slide on and not a pinch clamp I thought wow quality but when I tried to slide it on from the rear it just wouldn't go. I broke the AR down to just the upper no BCC, CH or lower and it just will not budge. Neither ring will go on so I have to assume I have a top rail that...
So I buy a Nikon scope for my AR and it comes with the P-233 mount, I'm all happy until I go to assemble the mount "no fit" what's the chances of buying a mount specifically designed for an AR just to find out my rail is just a bit to big %#*&#%& and it won't work. Since it was a package deal...
Check the rules, current military and x military shorten the process. I was going to say you can remove your Ca AR mag button but you may not be allowed to keep it unless its an HBAR, AR's 5.56 were I believe are on the ban list.
From the fire to the frying pan; welcome
If they are 10 round mags your great no need to do anything but put them in your carry on. If they are over 10 your braking the law and taking a fish. But look at it this way you will have a good story to post.
This new law doesn't affect bad guys they are just going to do whatever they want; it only affects people who forget or think they are above the the law.