winchester saw the probability of loading the wrong ammo in the wrong gun because of store clerks giving the wrong ammo by mistake when they had the 7mm mag. and the 7mm express , that' s why they renamed it the .280 rem.

i also remember an article in shooting times ( i think ) about gun blow ups , and they had a picture of a gun blow up caused by the wrong ammo loaded into it , a guy had tried to fire a .250 savage out of a .243 winchester , and that rifle literally blew apart right in his hands , completely in half and splintered , the reciever broke apart by the barrel and the barrel had split , the bolt was naturally knocked open by the lack of lock up , and the stock by the reciever was basically splintered beyond recognition , the shooter miraculously only had minor injuries but , it could have been much much worse. that was a near worse case scenario except for the minor injureies to the shooter.