the mrp is simILar but not the same as re-22. mrp-2 simILAR BUT NOT THE SAME AS RE-25. THE CHEIF ballastician at norma said he tried all sort of canister and non canister and never got anything that was as good as mrp-2 in 6.5 -284. i HAVE had good results too. i think i got mine form either graf or bhss. roninflag