Was hoping to get some advice from you AK guys.I just purchased a new Century Arms centurian 39 and had some issues with it.It will not chamber the first round from a magazine when pulling back the charging handle and realeasing it.The round strips from the mag and loads half way into the chamber and the bolt locks up about one inch from it's fully closed position.It will feed if i keep my hand on the charging handle and forcefully ride it forward.Never had to do any thing other than pull back and release the charging handle on any other semi auto i've owned.Is this normal for an AK? Also the rifle with have the same failure when fired from a bench but functions fine when firing offhand.Thanks in advance for any advice.