.308 Winchester: Velocity of 150-grain Bullets


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Anthony
May 8, 2006, 12:57 PM
Hello Everyone,

For .308 Winchester what is the approximate velocity difference between an 18 and 21 inch barrel using 150-grain bullets?

Thank you for the help.

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Dave R
May 9, 2006, 12:53 AM
From my 22" Remington 700, I chrono Portugese surplus at 2,750fps. Right at spec.

From my 17" CETME, (18" barrel, but the last inch is muzzel brake) I get about 2,550. So around 200fps difference. Maybe 150 fps at 18"?

Sunray
May 9, 2006, 01:10 AM
About 100 fps less velocity per inch of barrel.

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