Have not fired yet .. confident that it will work - TRYBE Defense Mil-Spec AR-15 .223/5.56/.300 AAC Complete Bolt Carrier Group (BCG) BCG

Purchased the ar10 BCG for reference: The fit and finish is better than my seekins bolt.. I noticed that the bolt was difficult to close on a round (resized once shot brass no bullet/powder ect for testing headspace) and made marks on the brass edges due to the ejector.. I looked at it and now no why other people had issues with making marks on their casings and things of that matter, everything is in spec, except for the small ejector claw spring ...which is way too stiff they actually have two springs (one within another) and then 2 O-rings .. I will place JP kit (it is the same one they have in their BCG and is explicitly for solving these issues ). Looking forward to trying out. I am confident that the reason why it was making marks was the spring was just way too stiff on this BCG.