6.5Grendel vs 5.56NATO as General Purpose AR15 Chambering
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LR55 Here are velocities I got from the PPU 110 grain FMJ. I’ve never seen the velocity for the PPU 6.8 SPC 115 grain FMJ.

The PPU 6.5 Grendel was chronographed on a 70 degree day with a magnetto speed chronograph. Here are the results but only 5 round string. The average velocity from five rounds.

110 grain FMJ PPU

16" 2510

18" 2570

20" 2614

24" 2683

If your serious about doing this test I just checked and I have 60 rounds of the PPU 6.5 Grendel 110 grain FMJ left. I never traded it in after the recall.
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6.5Grendel vs 5.56NATO as General Purpose AR15 Chambering - by VASCAR2 - 10-15-2018, 12:46 AM

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