I have a Nova. Not sure about that 24 in. barrel.
I use a Carlson ported tube with it. I really like it.You do have to pay attention to the receiver but it also can be tightened up.
I guess you could consider it "plasticy", but it's light and easy to tote around all day in the woods. Hasn't let me down yet in four years.
If you do get it leave the 3& 1/2 shells in the store the only difference I found with them threw that gun was shoulder pain.