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.220 Swift load work up

This is a discussion on .220 Swift load work up within the Ruger Bolt Action forums, part of the Rifle & Shotgun Forum category; I wanted a new powder for the Swift, the current manuals ignore, the new powders, so with a bit of research I picked IMR 8208 ...


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Old September 18th, 2016, 05:42 AM   #1
 
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.220 Swift load work up

I wanted a new powder for the Swift, the current manuals ignore, the new powders, so with a bit of research I picked IMR 8208 XBR, I've had very good results in the .223/5.56, they use it in the 22-250 and the .243 , max load in the 22-250 was 35.8 I started at 35.5 and went up half grain at a time. Measured case head with a mike. the photos show the results. OACL 3.445 was a bit long do to the rifle being a single shot Cooper MD 22 Case head size. was as follows.

Un-fired .445 avenge

36. grs 447.1
37. grs 447.4
37.5 447.2

Interesting the top load the head size was smaller
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Old October 15th, 2016, 04:54 AM   #2
 
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Lope with the Swift

At about 200yds, headed down hill, right to left, complete pass thru, ran about 100 yrds. how I have no idea, his lungs were sheered.
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Old October 15th, 2016, 01:16 PM   #3
 
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Looks like .220 Swift is good for antelope! I have killed mule deer with a .223 Remington using 70 grain Speer Bullet. WTG!!!
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Old February 14th, 2017, 03:31 PM   #4
 
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swift

I know this is an old post but did you ever get a chance to chronagraph this load. Thanks....
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