Thread: What is the Velocity Gained from a Longer Barrel?
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Old 11-15-2020, 09:49 AM
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Roberto Renauld Roberto Renauld is offline
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Default Velocity variation Vs barrel length
Quote:
Originally Posted by diyj98 View Post
The old rule of thumb was 50 FPS per inch, but it really varies with different guns and of course different loads in the same gun.
+1 , the rule of the thumb for 1000fps muzzle velocity on wards the variation is +-50fps for changes in barrel lenghts of +- 1",..
Regards
RR
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