Quote Originally Posted by Mr.Snerdly View Post
I got some CCI primers that come in a white box with black lettering. It says No. 41 primers for 5.56mm Ammunition. Are these military primers? I have had a few misfires with them in the 223 Axis. The same primers in the 783 Remington have never failed. I don't believe I have had any failures with my other CCI primers but they come in a different looking box.
If you are asking me, I do not know the answer. Seems weird to call out the caliber on a primer box.