I am fairly new to reloading and trying to learn. I have a AR15 in 7.62x39 and want to reload for accuracy. I have Winchester brass and 125gr Sierra 303 bullets that are .311 diameter. My question is do I crimp these as they do not have a crimp ring on the bullets or do I just seat them and not crimp. If I don't crimp them will they change the AOL of the rounds still in the magazine from the recoil.
Thank you for your help.
Thank you for your help.