If you want to do an autoloader in an AR-10 OAL, 6.5Creedmoor is a bit better an option than the .260, it was designed for feeding out of mags with long bullets, and there is great OTS ammo for it.
6.5Grendel is going to be a SAAMI approved round, and there are way more options with bullets. People are wildcatting the Grendel case like crazy too, going up to 7mm and down to 6. There is factory ammo for the Grendel that will match a .308 out to 1000yards.
I think in 5 years it will be the clear winner.
6.5Grendel is going to be a SAAMI approved round, and there are way more options with bullets. People are wildcatting the Grendel case like crazy too, going up to 7mm and down to 6. There is factory ammo for the Grendel that will match a .308 out to 1000yards.
I think in 5 years it will be the clear winner.
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