Some of the earliest Lancaster rifles had good architecture for heavy recoil and very wide buttplates. Look at the early Dickerts numbered among the Christians Spring rifles in Rifles of Colonial America volume 1, and the Albrecht rifle. The buttplates are 2"+ wide, pretty flat, and the stocks are fairly straight. I would not use a kit Lancaster for a heavy recoiling rifle without making sure the buttplate etc was just what I wanted.
