winchester 94 factory special order ?|Winchester Rifles|Forum|Winchester Collector

i have a 94 winchester i cannot get a letter on i have several special order features on this gun i cant find another similar to it im looking for a winchester collector or expert to help with this it has a 26 inch barrel round half maga shotgun butstock 38-55 caliber sling swivels and ivory bead front sight i find conflicting information on what would have been standard also winchester dates it at 1918  another dates it at 1921 

any help is appreciated