Yes, you are right about the Lug. But it’s nothing special. Just a bit different shape, thinner on the sides. You can cut/grind & sand your stock lug nut f need be. If the one stock is not the Accu, it should fit any recoil lug. Regardless of the stock, it should be bedded. (If it’s not the Aluminum bed chassis style.) So, if you are unable, I’d rec. getting the one with the pillars at least. But then, if you are trying to save money you can always just bed your current stock.

Regular vs Accufit Lug