[nf1e]

If this is happening only with handloads, check and see if perhaps your case headspace has changed. Should be somethng like 3-5 thou less than chamber. Common problem with handloads. Your die does not have to back out much to cause this problem. 1/16 turn or less and its a no go situation.

 

[nf1e]

What rifle were you getting 1/2 groups at 100yds with?

 

[nf1e]

That gives me another goal to strive for. Took me 45 years to get 1" groups with an M14. I don't think I will do it in this lifetime though.
Semper Fi
Art

 

[nf1e]

2 10 rnd 1" groups from 100yds. M25 in JAE with GGG bipod. Stainless Kreiger 1-11. 168 smk,RA brass cci34 primers , 41.5 4895. 70deg. 3/18/2012.

 

[nf1e]

Cherrish that day my friend. I have done it with bolt guns upon occasion. Mr Coyote now hangs in my office so I can look at it every day. It was like a dream. First shot 1.5 low and to the right. Corrected up three left 1 for top group in green. Corrected down 2 and left 2 for second 10 round 1" group. My spotter was ready to have a coronary after the first group. I kept telling him to remember to inhale. After the second group in the pink, I think we were both ready to have a heart attack. It can be done, but not very often.

 

[nf1e]

I think your new extractor will do the trick.