Here's the recal notice.
I shot lots of this stuff way back when with no problems, but not without risk.
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CBS 7.62mmx51mm Cartridges Dated 1975 Pose Risk Of Injury
It has come to our attention that CBC 7.62mmx51mm cartridges from lots dated 1975 may pose a serious safety risk. THE SPECIFIC CARTRIDGES IN QUESTION BEAR THE HEADSTAMP "CBC 7.62 75."
We hereby provide written notice to you that a potential hazard may exist
with respect to outdated CBC 7.62mmx51mm cartridges. There is a reported
risk that such cartridges may cause excess pressure upon discharge and could result in serious bodily injury or damage.
UNDER NO CIRCUMSTANCES SHOULD THESE CARTRIDGES BE USED, GIVEN TO ANYONE, OR SOLD.
There have been isolated reports of rifles bursting as a result of excessive
pressure in what appear to be these outdated CBC cartridges. Anindependent
testing lab reports that it detected a peak pressure that they estimated to
be in excess of 130,000 CUP, in one out of a batch of 20 outdated CBC
7.62mmx51mm cartridges dated 1975 that it tested.
CBC 7.62mm x 51mm cartridges are manufactured soley for military use in
several nations around the world. CBC has not exported any of these
cartridges to, nor sold any in the United States. These particular
cartridges are not intended for civilian use under any circumstances.
In addition, a warning is issued for any CBC 7.62mm x 51mm cartridges from
any year that bear a label on the packing material with the Spanish word
"reengastada"
That label was not affixed by CBC, and it's application to ammunition is not
yet clear.
Anyone who has, or believes they have, CBC 7.62mm x 51mm cartridges from
lots dated 1975, or CBC 7.62mm x 51mm cartridges from any year with the word "reengastada" on the packing label should immediately contact the dealer from whom they bought the rounds, and call the following toll-free telephone number 1-800-742-1094 CBC Companhia Brasileira De Cartuchos