seating bullets off the lands?

Curious to know what other have experienced with this. I have a Browning A bolt .270 that patterns ok with factory loads, but the 130gr bullet is .187 off the lands. My Barnes 130 TSX are seated .035 off the lands and patterns great. The strange part is any load i make for it patterns like crap if I am any closer than .030 to the lands. It also falls apart when I’m more than .050 off the lands. How can a factory load even have a close pattern when the bullet is so far back?

Hmmmmmm. That is a brain teaser. Do you load any other calibers for comparison?
I know shooting .556 through my .223 are more accurate because the leade is into the rifling. That’s a strange one you got going there. I would send in an email to Barnes or Hornady and ask their advice. A bullet manufacturer would probably offer more advice that a Factory loader. Just my $.02. Am curious as to what you find out. It may have something to do with head pressures I am guessing. Fiddling with different powders or grains may be the ticket.

Here’s a little reading material Randy. You may find it interesting

http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=1705470#Post1705470

Jeff

Because they dont!
1) most factory loads use powder blends
2) Only one of my many rifles shot best (MOA or better) ith a factory load…a .300 Wby mag (Mk 5 Ultra Lighweight)…

Jeff, That’s a great write up for anyone that is learning how to seat their bullets off the lands…and a correct way of doing it. I take the simple approach, and use Hornady guage and a comparator for each bullet type since the Ogives are all different. Never simply go by a generic OAL

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Hmmmmmm. That is a brain teaser. Do you load any other calibers for comparison?

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I’m sure it is all in the hot/cold of the load. Factory loads are based on generic specs to basicly work in any manufactured gun. My Howa 22-250, savage .223, and Rem 7mmUM have never had a factory load shot in them, so I have no comps to compare to.
In reading a lot of load data, I noticed the generic OAL is based on factory specs and they (in most cases) use a colder primer.