What is the issue with Accubond long range bullets?

[FLHunter87]

An update for me. Last few times I have shot these accuracy seems its becoming a bigger group. And Im talking about an 1-1.5" group at 100 yards compared to less than a half inch I normally get. I am not sure why that is. Nothing has changed. If this continues I may switch or maybe need to try a different seating depth. Maybe 300 shots or so on barrell.

 

[FLHunter87]

I stuggled getting a load together on the 210's for 2 different 300 PRC's and gave up. I tried 265 ABLR's on my 338 RUM and gave up again they just were not accurate enough for me. I have heard good things about the 142's though. I shoot 140 Elite Hunters on my 6.5 PRC and they shoot lights out so I do not plan to change.

What powder do you use for the 140s EH? I just made some with h1000 to try out. If these dont work I'm just going to go with the 156 since I have the 1:7 twist.

 

[IDShane]

56.5 grain H1000 it is the most accurate rifle that I own.

 

[FLHunter87]

56.5 grain H1000 it is the most accurate rifle that I own.

I use 56.8 at 2.357" CBTO. That's what I've used my last 100 shots or so. Now its just opened up a lot.

 

[NorthIdahoDude]

An update for me. Last few times I have shot these accuracy seems its becoming a bigger group. And Im talking about an 1-1.5" group at 100 yards compared to less than a half inch I normally get. I am not sure why that is. Nothing has changed. If this continues I may switch or maybe need to try a different seating depth. Maybe 300 shots or so on barrell.

With high pressure and a small diameter bore, the 6.5 PRC doesn't have the longest barrel life as cartridges go, and ABLRs (I am told) are somewhat sensitive to seating depth. 300 rounds in, I would not be the least bit shocked if your throat has moved forward a little bit. Remeasure your distance to the lands and see if it's longer than it was when you first developed the load - solution might be as simple as increasing your OAL some.