Premature Eject-ulation

[dross]

About one third of the time, my M1 ejects a clip with 1, 2, or 3 rounds still in it. I've verified it's not the same clip. Thoughts?

[Orlando]

IMO
99% percent of the time it is the clip latch spring needs replaced
Next thing is a worn lobe on the bullet guide.
Could alos be a worn clip latch but personally I havent ever seen one worn out of spec
You say you are trying it with different enblocs but are they all the same manufacture, JMO or SF?
Personally all my rifles function perfectly with any manufacture enblocs but alot of guys seem to have problems with JMO and SF

You can remove clip latch spring, stretch it, reinstall and fire rifle. If that cures your problem order a new spring. If not will need to measure the bullet guide lobe and see if it is in spec
Good luck