ATI Calgary O/U with a set of .410 and 28 ga barrels that I bought to make into TSS slingers....Then lost interest....I shot 2 shells out of the top barrel of the .410 to make sure it works and that's it....other than that its brand new....$650


https://www.budsgunshop.com/catalog/product_info.php/products_id/716008204/ATI+ATIGKOF410-28SV+Cavalry+Engraved+SX+2RD+410ga28ga+3%22+26%22