Visit our store for currently available stock. All are from thick dimension blanks to accept appropriate furniture. Early rifles like the early Lancaster, Edward Marshall etc., will accept a full 2”+ butt plate. Most Early and Golden Age Styles include cast off. The swamped barrels by weight ( A, B, C, D) and by length (38”, 42”, and 44”) are the popular standard barrels provided by Colrain Barrel Company and Rice Barrel Company. Detailed dimensions can be found at their websites.