Am I only stuck with big quad rail with this type of barrel nut?

[lavino]

https://ae01.alicdn.com/kf/HTB1D6X4G######1XVXXq6xXF###T/202710172/HTB1D6X4G######1XVXXq6xXF###T.jpg

Any option to change the rail to something slightly slimmer without having to go through the whole replacing barrel nut?