Yes. These are the fit notes direct from Mossberg,
"Heat shield for your 12 Gauge 500, 590, or Maverick 88 plain barrel with parkerized finish. Note: Not compatible with 590 7-Shot models w/ +1 extension, 590 Shockwave, 590A1, 590M, breacher barrels, or ghost ring sight barrels."
Parkerizing is a process that is done by applying a chemical finish to prevent corrosion of certain metals.
No, the Mossberg 95066 Parkerized Heat Shield Kit fits standard 500 and 590 12 Ga. models only.
The Mossberg 95066 Parkerized Heat Shield Kits is not compatible with the 590 Shockwave.
The Mossberg 95066 Parkerized Heat Shield Kits is not compatible with the 590 Shockwave models.
The Mossberg 95066 Parkerized Heat Shield Kits is not compatible with the Mossberg 550.
Yes, this heat shield should fit that setup.
No, unfortunately this heat shield is incompatible with breacher barrels.
No, unfortunately not. This heat shield is incompatible with 590 7-Shot models w/ +1 extension, 590 Shockwave, 590A1, 590M, breacher barrels, or ghost ring sight barrels.
Yes, this should fit that firearm.