Keywords: Polygonal vs normal rifling.svg Conventional 8 groove rifling on the left octagonal polygonal rifling on the right Transferred from http //en wikipedia org en wikipedia; transfered to Commons by User Pbroks13 using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper <br/> Original text en Image Polygonal vs normal rifling gif 2008-05-14 original upload date <br/> Original text 2008-05-14 --<b><font color black >p<font color 254117 >b<font color 006600 >r<font color 347C17 >ok</font>s</font>1</font>3</font></b><sup><font color 000000 >talk </font></sup> Original uploader was Pbroks13 at http //en wikipedia org en wikipedia en wikipedia Fluzwup original upload log page en wikipedia Polygonal_vs_normal_rifling svg 2008-05-14 04 44 Pbroks13 493×252×0 15599 bytes <nowiki> Conventional 8 groove rifling on the left octagonal polygonal rifling on the right Image Polygonal vs normal rifling gif 2008-05-14 ~~~ Fluzwup </nowiki> Rifling |