Check out this new Stormtrooper weapon. It looks to me like it's based on a WW2 era Lee-Enfield:
http://www.rebelscum.com/2018-Inter...ternational-toy-fair-2018-reveals/image11.asp
http://www.rebelscum.com/2018-Inter...ternational-toy-fair-2018-reveals/image20.asp
http://www.rebelscum.com/2018-Inter...ternational-toy-fair-2018-reveals/image11.asp
http://www.rebelscum.com/2018-Inter...ternational-toy-fair-2018-reveals/image20.asp