I have the IAC Hawk 982 model (with ghost ring sights). Same basic Chinese 870 clone. I also own 3 Remington 'Wingmaster' 870's and 2 are police magnum versions. The IAC is definitely heavier than its 870 counterparts. Shoots fine, but I had to restake the shell latches on the IAC when they both fell out - on the 3rd disassembly! Hopefully the QC with the H&R version is better. That said, works fine now.
P.S. The local Walmart was selling the H&R full size pumps last winter (post hunting season) for $159!!! Was very hard to resist a 3" 12ga pump with tubes at that price.