Gunsmithing Round vs Square Rifling Lands

[USNIGHTGUNNER]

I have a new SS V Seven barrel and after bore scoping I noticed that the lands are rounded off as opposed to being square like many of my other barrels. Is there an advantage or disadvantage either way?

 

[spife7980]

Got a pic?

 

[MK20]

do a search for metford rifling.

 

[Blutroop]

Check out polygonal rifling while your at it.