Been awhile since I loaded a 150 in the 270;but when I did,I had no problem breaking 2900 from 22" and 23" barels.....this mostly with 58-58.5 H4831.

7828 is the nutz with 130's....have not tried it with 150's.



The 280 Remington is overbore.

The 7 Rem Mag is over bore.