5R rifling is actually a style of rifled barrel which is characterised by 5 Similarly spaced lands and grooves. This style is said to further improve precision and regularity by cutting down friction and muzzle bounce. Likewise the grooves are reverse of one another. The overwhelming majority of barrels Faxon https://donovanrwbil.blogsumer.com/27857279/not-known-factual-statements-about-4e-sun9221