I am messing around with a Weatherby vanguard s2 in 6.5 cm,I have bin playing with 140 gr bergers (vld hunting) &h4350,got them doing around 3/4" @ 100 and I am now trying the nosler 129 lrab,I have workrd it up to max with H4350 and its doing 1" groups @ 100 its good enough for hunting deer now...