If your action bar length is 7 5/8" to 7 3/4" forend should fit with no modifications. If your action bar length is 6 1/2" to 6 3/4" will need the Hogue Forend Adapter Nut Part # 05020 Located in our accessories section of the store. If your action bar is a one piece pinned style you will need to replace it with a Hogue Standard Mossberg action bar part # 05021 to successfully install a Hogue shotgun forend. Located in our accessories section of the store