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Hornady 62 gr SP from 16" 1-7 twist barrel averaged 2,900 fps with Frontier 5.56 mm factory ammo.

Don't know sorry. My old F1 Chrony gave up as I was about to test this ammo. I was expecting 2960 - 3000 fps from a 16" 1-7 barrel.

ProChrono from another forum member on it's way... will let...

I'm using Frontier 5.56 mm factory ammo loaded with the Hornady 62 gr. SP in a Troy 16" barrel.

Shot lots of goats, some pigs and a couple of fallow out to 150 yd. Almost always exits goats,...

talk dirty to me!

sorry but I have a few .223's and your numbers almost make me want to take up reloading:XD:

80 gr .223 at 2900 fps, that is impressive and is hard on the heels of many 80 gr .243 factory loads.