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270 90gr seating depth

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08 December 2001, 17:00
milosmate
270 90gr seating depth
Can anyone please tell me the overall cartridge length for sierra 90 gr hp in a 270 win, thanks
09 December 2001, 00:23
jpb
For the .270 Win I used to load for, I tried to load so that bullet was almost touching the lands but it was impossible. The throat could not be reached with anything shorter than a 130gr bullet.

So, I just seated the 90grain bullets about 1/8" in the neck (it seemed about the least that could be expected to reliably hold the bullet to and from the field).

The 90 grain Sierra varmint bullet so seated with a top load was the most accurate load I had in my rifle. That is, until I had shot about 2700 of them: at that point the throat had advanced enough so that these short bullets had a *huge* jump to the rifling (and a rough throut it was by then too!). Nothing much helped after that, although the rifle was still reasonably accurate with heavier bullets.

Those Sierra varmint bullets sure did nasty things to groundhogs... :0

jpb

09 December 2001, 08:55
Major Caliber
3.200 will work fine in most rifles, I find that .270's shoot all bullet weights very well.