12-12-2020, 01:32 PM
Quote:I've chronied my american ranch grendel a couple different times with factory hornady black and average 2386 fps...within 6 fps of your factory sst number...i wonder what reloading could do to improve on these numbers, can't these bolt guns run up to 62,000 psi over these factory 52,000 psi numbers? i would expect another 50-100 fps depending on barrel length no? i don't reload so have no actual experience
I have my RAP and love it. However, (always a damn however), since it uses AR mags, it limits your OAL of the cartridge and thus, some extra capacity. Especially with longer/heavier bullets. I use ASC mags in my RAP and can load a little longer than if I use E-Lander or CPD mags.
I can push the ELD-M 123 to 2470fps with 28gr of 8208xbr. Any more and I show pressue signs and poorer accuracy. I do the 130 Berger hybrid up to 2350fps with 27.4gr of H4895. Better accuracy at 27.0 and 27.2.
I can do better with CFE223 but I give up temp stability. Same with AR Comp.