To second what Eremius said and mention that Ned Roberts did not get much satisfaction. Remington did not use his cartridge, the .25 Roberts but instead necked down the 7mm Mauser! Ned was a Schuetzen shooter of note and later a successful experimenter. He developed the .25 Roberts which was shorter than the .257 REMINGTON ROBERTS and had a more gradual shoulder. It' looks like a .243 Win, just a little longer. It would have fit the Rem. 722 just right unlike the .257 RR.
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<br>Just another screwup by Remington. It never had a chance anyway compared to the outstanding .270 Win.
