This is a revisit to the accuracy testing I did with M855A1, 77gr OTM, and this time M855. Can we see better groups with a new barrel? Use code "TWC5" for 5% off your entire OpticsPlanet.com order Faxon Firearms Flame Fluted 5.56 NATO Barrel: http://bit.ly/2eZW7qJ Faxon at OpticsPlanet: http://bit.ly/2dUemwE OpticsPlanet: http://bit.ly/1UFMGwt Burris Fullfield TAC30 1-4x24mm Riflescope: http://bit.ly/2e0FsGz Burris at OpticsPlanet: http://bit.ly/2dndvrC Burris: http://bit.ly/2ekRkos OpticsPlanet: http://bit.ly/1UFMGwt