I have a 30 year old Rem.700(30/06) that I have put over 2000 rounds through.After purchasing it new, I checked the seating depth by placing a 150gr. head in front of a fired brass & then chambering the round. I reduced the length by 1/32".
The rifle shot extremely well for all these many years. However, I recently repeated the above exercise & the bullet was not pushed back into the brass at all. I used 150gr. & 165gr. bullets. It appears that there is excessive space between the shoulder of the round & the rifling. This may be due to wear.
While the accuracy of the rifle has not been affected, does this present a dangerous situation? Should I see a gunsmith? As best as I can tell, there does not appear to be a headspace problem.