Rock Island Armory SA12H26-WD: The Semi Auto 12GA Field Walnut is an efficient and reliable no-nonsense 12GA Semi Auto shotgun. It features a lightweight aluminum receiver with a 5 + 1 capacity. Packaged elegantly with Wood Walnut Stock and Forend. This 26 barrel reamed for full. Full, Modified, and improved choke tubes making this a hunting shotgun that can approach any situation. Chambered for both 2 and 3shotshells.