Cycling 58g bullets

[riggeek]

Could you be cycling too fast? Looks like your bolt may be hitting the next cartridge before it comes up completely.

I have thought about this, but the brass is ejecting in a spot that it suggests it’s under gassed.

One thing to know that this upper doesn’t have a traditional brass deflector like most uppers. This is made by a local company near where I live I’ve had excellent luck with their lowers but this is my only upper from them.

i’ll have to take a look at the weights I have and see if I can weight up some without going out and buying a tungsten weights.