The Contender/G2 Rifle barrels are 23" and come with no sights. Fits Thompson Center Arms original Contender as well as the new G2 Contender. Full bull (non-tapered) contour is .810 inch in diameter. These barrels use the new G2 Contender forends 207-7689 (walnut) and 207-7735 (composite). For twist rates, click here.