When it comes to building or buying any kind of rifle, the two most important parts that affect accuracy are the barrel and the optic. If you are interested in building an AR-10 chambered in 6.5 Creedmoor, you need the best 6.5 Creedmoor barrel to perform at a distance.
There are tons of barrel manufacturers, but a select few focus on quality and promise sub-moa performance. The 6.5 Creedmoor Barrel hunt can be even more challenging as it’s a relatively new cartridge than more common cartridges .308.