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Discussion Starter #1
Hi Veral,

I am about to order my custom barrel and need to come to a decision on caliber. This will be a warm-up barrel design to the rifle we were discussing privately.

This rifle will be putting out about 400fpe regardless of which caliber I use as that seems to be the limit of the design thus far.

When comparing the ballistics of a 280grain .454 going 805fps, and a .505 350grainer going 720fps, given the usual meplat size you would recommend for both calibers and weights, which shows to be the best killer? I am limiting range to about 75 yards so any difference in trajectory doesn't appear to play a significant role.
I sent you a PM. Thanks again for the forum!

BUTCHER45
 

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Discussion Starter #3
475AR10 said:
Not to change subject but do you have info on this rifle, it looks neat in the slide show.
Please use the Personal Message option for airgun questions. Thanks.


BUTCHER45
 

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Since velocity isn't too far apart and range will be limited so trajectory isn't a problem, I'd opt for the 50 caliber, to get a larger killing flat-nose.
 
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