Re: Grendels and AR style of guns
To answer op's question, the 6.5 grendel is a cartridge designation, the grendel fits a standard ar15 platform, the 6.5 creedmore requires the ar10 platform.
Both are excellent cartridges. I have a 20" grendel, that's shoots good, is easy to Carry, and recoils like a pussy cat. I've killed 2 whitetail and 5 coyote with it, and am very happy with its performance. Deer were killed with 100gr ttsx and 105gr interbonds, coyotes have been killed with the 95gr vmax and the 105 interbond as well