Thread: Looking for input on a 17 fb build.
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  #5  
Old 01-14-2020, 02:33 AM
coyotespotter coyotespotter is offline
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Join Date: Aug 2014
Posts: 330
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If you email Carson at Lilja and tell him about your project, I'm sure he will be able to help you select a contour. I think you will need 0.650 minimum barrel od for 1/2x28 threads.
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