I have a decent old long barreled tube feed jc higgins 12 gauge,it shoots brass end shells fine most of the rime..no problem,but usually all I can find are aluminum end,they are finiky as crap,anyway I'm gonna have the barrel shortened,beed reinstalled,but can the tube and lifter and stuff be took out so i can shoot it as a single shot..i shoot it single anyway most of the time..tired of the lifter contraption go In up and down..thoughts..