Is the store open these days? June 2020 ?

Yes. The store was closed to the public during the "crisis", but you had to order online and they would let you do curbside pick-up. Now with Delaware lifting the non-essential closures, they are open. You can go in and look around, wearing a mask. Their fire-arms counters were empty, tho. They had guns to sell, but all were in the back rooms. You need to arrive and take a number. When it's your turn, they fetch individual guns from the back. Arrive early. I was there Thursday, and line numbers for firearms service had run out by about 3:00pm.

Yes