Gunsmithing Trigger tech trigger clearance in AICS stock rem 700

[BIGSHOT]

Have rem 700 aac sd in aics 2.0 stock,gun shot about 1/2 inch ,replaced factory x mark trigger with triggertech trigger,torqued action back in at 55 in lbs and gun now shoots 1.5 in groups,tried 65 in lbs but no help,wondering if there is clearance problem with trigger what would be best way to check for clearance issue
Thanks don