whats your most accurate 223 factory load in your tikka ?.....i have a nice aftermarket bell and carlson stock on a tikka t3 and it sports a very decent burris scope...i have checked screws on scope and stock and tried 4-5 different brands of factory ammo still cant get better than 1.25-1.50 groups at a hundred yards....i own 4 tikkas in different calibers and they all shoot under an inch ...help....what do you use/recommend in your tikka ?