Re: dpms 6.5 reloading help
41.3gr H4350
140 Amax at 2.790 OAL
or
41.5gr H4350
140 BTHP Match Hornady @ 2.76" OAL
Start there and work around the powder charge but leave the bullets at that length. They both jump without any issue in a gasser. My last 6.5CM barrel on my bolt gun was jumping over 0.3" to the lands when I pulled the tube and it was still shooting well.