AR does not stand for "assault rifle" or "automatic rifle." They're considered to be more accurate than either the SKS or AK-47 and are much easier to modify, but not as simple to maintain.

Best SKS Attachment Loadout in PUBG Mobile The Samozaryadny Karabin System Simonova , otherwise simply known as the SKS , is a designated marksman rifle (DMR) that utilizes 7.62mm rounds.