I HAVE AN XP CHAMBERED FOR 5.6X50 CASE NECKED TO 7MM FOR IHMSA COMPETITION. PREVIOUSLY WAS CHAMBERED 7X47 INGRAM. HAS ANYONE HAD ANY EXPERIENCE WITH A SIMILAR COMBINATION? I PLAN ON USING T322 POWDER BEHIND A HORNADY 162 BOATTAIL. THIOUGHT ABOUT STARTING WITH THE 7X47 MINIMUM LOAD, THEN WORKING UP. ANY IDEAS?









