MDShooters = online community of like minded individuals
Maryland Shall Issue = volunteer group attempting to overturn MD's unconstitutional gun laws
There is lots of overlap, but they are distinct entities.
If you're looking for a plinker, I think many would agree that a 10/22 is a solid choice. Ammo is dirt cheap and they're great for honing your shooting skill. I know I love mine.
Make it HBAR, observe federal laws (SBR vs pistol and such), no registration of the completed firearm but the lower will be transferred at an FFL, therefore a 4473 will be processed.