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Reloading .303 British : Velocity change due to Ambient temperature.

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Author: Irish Blonde
Subject: Velocity change due to Ambient temperature.
Posted: January 21 2025 at 4:22am

Air density is a variable standing on it's own that can effect velocity. I shoot in 20F. temps from my warm truck cab that's about 70F. I still see a velocity loss of 30-40fps even with Hodgdon Xtreme powders. 

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