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243 catbird

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22 March 2003, 04:05
fox
243 catbird
Has anyone tried this wildcat?
22 March 2003, 05:22
Savage99
It's not in the books I have so I had to seach for it

www.jarrettrifles.com/cal_243_catbird.htm

What do you intend to shoot with it and at what range?
22 March 2003, 11:31
dan belisle
So basically a 240 Gibbs on 270 brass. - Dan
22 March 2003, 13:05
sscoyote
i beileve that's a Jim Carmichael creation. There was an article on it in PS publications long time ago, but i don't have it.
23 March 2003, 00:10
fox
I am going to use it on fox, ranges up to 400 meters. often in windy condition.
23 March 2003, 01:26
DannoBoone
With the selection of relatively high BC bullets
you have from which to choose, oughta work great.
What about barrel life?
23 March 2003, 03:56
fox
with proper handling approx. 1500 rounds so It will not be used for paperpunching.
23 March 2003, 04:16
Savage99
What velocity will a catbird give the 107 gr bullet from a 26" barrel? The new Sierra reports 3200 fps from a 6mm Ackley Improved.

At some point the law of diminishing returns takes effect on powder capacity increases also.