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Old 07-20-2016, 12:37 AM
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Alk8944 Alk8944 is offline
Join Date: Jan 2007
Location: Sandy Utah
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Posted this before in one of my .38 Spl. threads I know you read because you commented on them.

All 2", Model 12 or Model 10:

Federal 821FPS

Winchester 821 FPS

Remington 811 FPS

All average of 5 round samples.

More recently, all from the same Model 10-4 6", consecutive strings

Federal 971 FPS

Remington 969 FPS (Old R38S12)

Remington 970 FPS (Current RTP38S12)

Winchester. Don't have any more, but based on prior data expect it to fall right in with Remington & Federal.

All averages of 10 round samples.

All instrumental @ 10 feet, not corrected to muzzle. Add 2 FPS for 2" and 3 FPS for the 6" figures to correct to the muzzle. Variation is small enough to disregard! Calculated from "Load From a Disk".
Gunsmithing S&W since 1961

Last edited by Alk8944; 07-20-2016 at 12:41 AM.
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