Rifle Scopes ACOG 50BMG Reticle and Barrett 82A1 (29" and 20")

[TXCOWDOC]

I've searched and could not find any reference for this optic and this application. I have a CQ and don't expect to shoot past 600-800 yards. Will the ACOG work with the 20" Barrel and IMI M33 ball ammo?
Thanks
TX COWDOC