BCM 300 black out 7.5 inch UPPER. Not modified, factory specs. Chrome lined barrel.DOES NOT COME WITH A BCG OR MUZZLE DEVICE. Like new. Just sits in a safe. Only has about 100 suppressed rounds through it.

Works perfectly with most subsonic rounds. The last time I used it, I was using Winchester 200ish grain subsonic and American eagle 220gr and it was running perfectly with my lower that has an h3 buffer. It did not like hornady black 200+grain subsonics and would not cycle those. I believe if i was using a lighter buffer it would’ve been fine. My point is that you need to experiment to see what will run for you, if you’re using subsonic ammunition.

I just no longer want it and it’s taking up space in the safe. Good deal if you’re looking for a high quality 300 black out build. Open for trades for items around similar value.

I also have subsonic 300 black out ammo that I’m never going to use at this point that i would be willing to let go at a cheaper price.