Rifling – Lands Lands: Lands refers to the spiraling raised portions of a rifle barrel’s interior remaining after the grooves have been cut or formed during the rifling process. See grooves. Share this gun news:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)