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velocity gains over 24"(243ai)

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Unread 01-23-2008, 10:43 PM
Bronze Member
Join Date: Nov 2007
Posts: 51
velocity gains over 24"(243ai)

I am planning on building a 243ai. I don't want to get a barrel longer than 24" since this will not be a bench gun. A longer barrel would be better cause powder would be allowed to burn completly. 26" is my limit and am thinking about spliting the difference and going with a 25" barrel.

Has anyone done the research before or anybody out their with first hand experience?
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Unread 01-23-2008, 11:21 PM
Platinum Member
Join Date: Jul 2005
Posts: 1,651
If you go with the 26" barrel, you will probably gain a 150 to 200fps advantage over the 24" barrel. I would go with the 26" barrel so you can take full advantage of the 243 AI case compacity and performance. Let us know what you decide to do.

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