The Grendel is about as good as it gets for a across the board cartridge on a AR15. Black Hole Weaponry has their .264 LBC/ 6.5 Grendel, 8 twist barrels dialed in.

Factory A-Max ammo at 200 yards with a BHW 16", 8 twist, rifle length gas barrel.

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This is from a new BHW 18" SPR barrel, rounds 10-14 on a new barrel. Using handloads I have dialed in for another AR with a 26" BHW barrel. This was at 130 yards. The first shot was from a cold, freshly cleaned bore.

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Another 7 shot group from the same 18" SPR BHW barrel.

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Last edited by SMACK; 02/09/16.
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