Originally Posted by doubleDs55
I have been using REM 7 1/2's ever since I bought One of the first .17 cal Rem Model 700's rifles.
They were made for the .17 Rem because of the pressure.


Actually, as I mentioned in an earlier post, 7-1/2s were primarily introduced for the .221 Fireball, which appeared years before the .17 Remington. But same deal: Thicker cup than the 6-1/2s to resist higher pressures.


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