80gr eld-m (Bryan Litz tested this bullet truce bc is .505) I used the .505 bc out to 1k and it’s held true. Next would be the 88 Eld-M .545 bc hold true to 1k as well. You could throw the Berger 80.5 into the mix very good 600yd bullet. The 75 eld-m is a good one as well.
And the 88 stabilizes in the 1 in 8" twist?
Yes, but they're not "super stable," meaning you're giving up a little bit of BC compared to the advertised value. Litz has done some testing of BC versus SG, and his results suggest a loss of about 3% BC for every 0.1 in SG below 1.5.
At sea level and 32 F, pushing the 88 ELD to 3000 fps, JBM says SG is 1.289 from an 8" twist. Using Litz' results, BC would be about 6% lower than the .545 advertised G1 value, or about 0.512. Using a 7" twist will keep SG above 1.5 at sea level down to about -20 F.
