ball fmj ain't ever going to be better than about 2moa.
Get some match 68/69 and see how it'll shoot. Federal Gold Medal 69 or black hills eihter 68/69
I have a RR Lar 15 that shoots 3/4 inch groups with 62 gr fmj factory Fiocchi ammo, 1 1/2 inch groups with 55 gr American eagle 5.56 fmj ammo.
Freddy, if you're hitting 3/4" groups at 100 yds with factory 62 gr fmj out of that AR and you're wanting to go kill chit, you're done. There's nothing else to do, unless you want to pour money down a hole searching for the One Ragged Hole grail.
