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Old 07-21-2014, 09:24 AM
MistWolf MistWolf is offline
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Quote:
Originally Posted by rgsealsjr2 View Post
Take a look at this article:

SWAT Article BARREL LENGTH

According to it, the velocity loss is insignificant for practical purposes.
They only tested a single load which is tailored for use in shorter barrels and only compared velocities of the 20 inch barrel to an 18 inch barrel
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