Quote Originally Posted by gunasauras View Post
The LB ones were never meant to eject, only extract. This is why you do not use a mag with them. This way, the empty cart just falls out through the mag opening.
I got mine working just fine, feeding like butter from the Sterling mag, strong extractor spring and 7.62 extractor pushing the case over to the left to hit the extended ejector screw- works very well.