Equipment & Gear > Guns and Ammo

Bullet Seating Depth

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sakoshooter:
Looking for everyone's opinions on bullet seating depth. I normally seat just a few thousands off the lands but have been considering experimenting with some loads touching the lands. I'm looking for better accuracy. Not that any of it's bad, just curious and I'm never satisfied. What are you guys doing and what kind of accuracy are ya getting?

JimmyHoffa:
Most of the hunting ammo I reload is with bullets with cannelures.  I will seat to the center or the cannelure and then crimp.  If it is target ammo without a cannelure, I'll make a dummy round with a neck resized case.  I'll barely put a bullet in the case, then close the bolt and let the lands basically seat the bullet.  Then cycle the dummy a time or two, so that the lands will seat from different points on the bullet.  Then try to match the reloads to the dummy, maybe giving an extra couple thousandths off the lands.  I figure this is good enough for centering since I don't have the tool to turn the necks or measure the runout.

carpsniperg2:
I like to seat as close to the lands as possible. Each gun is diffrent in what it likes. Some bullets like Barnes, even say to back off more then you would think, so the bullet jumps a little. I bought some Barnes a long time ago and could not get them to shoot. But one of my friends told me. He had the same issues and I read on Barnes web site. That they said to seat them a little deeper. You can play with the loads and see what your rifles like. Either the groups will get smaller or bigger :chuckle:

KillBilly:
Here is a link to some very good info on this subject. Please read it......

http://blog.sinclairintl.com/2009/03/26/determining-bullet-seating-depth/

C-Money:
I just seat mine just under the cartridge max overall length listed in the reloading manual. Has worked great for me!

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