I finally figured out why my 5r wouldn't shoot 1/4 moa anymore. It's the lot number of ammo makes alot of difference. With the right lot no. of FGMM ammo it will shoot <1/4 moa. Couldn't get any better then 1 to 1 1/4 moa with a new lot no I ordered # X610 then got frustrated and opened a older...