u/gsplamo

Curious what the turnaround time has been for those that had to ship theirs back with their trigger pack? I’m hoping I can get mine back soon…

I just completed an SBR and installed the cmmg 10.4” barrel.

Now I’m facing a strange issue… first round doesn’t eject, but after I manually eject it, it works fine?

I haven’t attempted to relube the gun yet, and it has been unfired for a few years.

I will try that today to see if it helps… but also.. the mags are 10 years old.. would this be a possible reason?

Or do I need to bevel the breach on my new barrel?

Thanks!

I've heard previously that some like to "smooth out" or sand the breach of the cmmg barrel, because it's not as smooth as the 16" oem barrel.

I feel a bit nervous to do anything like this... if you're running an frt, is this a must? Or is this common practice with this barrel?