1st post so here we go! we have a .300RUM Rem. 700 Sendero SS 26" flutted bbl. with KDF brake added and Jewell trigger at 8ounces. IOR 6x24x50 scope on Lueopold dual dovetail 2 piece bases and 30mm rings. we are at 1.5" group at 500 yds with 180gr. Nos. Ball. tip and 96 gr. of Rel. 25. IOR scope has hold pts. to 10moa and vert. adj. of 50moa more. what will we need to change to get 10-12"at 1000yds.? bullets,scope,bases, we dont have a clue. no chrony work yet as we are a long way from pressure. my son can hold it on if we can just set it up right for him. THANKS for the help!! PS-we have a 1000yd range in our back yard so practice is not a problem, its TEXAS you know.