1301 comp pro fail to eject

[Sharing246]

My son bought a Beretta 1301 comp pro love it.
only issue is fails to eject from time to time.
I understand it needs to get broken in have 1 box of 3” mags through it figuring that would do it but nada.
Any input help would be appreciated.
Will put another couple boxes through it in the interim.
thanks in advance.

 

[RR 314]

Are you using Federal ammo? Have a friend who had similar problems with a 1301. Told him that I had issues with an Ithaca mag-10 when I was a kid with federal ammo and asked him what he was shooting. Yep. Federal. He switched ammo and has shot several hundred rounds without issue.