I have recently switched to the Parker bullets:

http://www.parkerproductionsinc.com

I have had great results with both the 275 and 300 gr bullets and BH209 powder. This is what I did with my CVA Accura:

I did this at 100 yds:



And this with the 300 gr:



I did flinch on the third shot because a bug landed on my face as I shot!!! I think you should check this product out and give them a try.