i need help and advice on getting my ruger 77 in 22 mag to shoot better. it shoots within a big dinner plate at 100 yards. i also have a 22 mag in lever action carbin that's shoots within inch and half at 100. tried 10 diff. makes and models of shells. looking on new trigger and stock to get it bitter. want to use it in the woods and to teach grandkids to shoot. any info would be really helpfull. thanks
rick
rick