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.510 whisper build and barrel length

ST42

Sergeant
Supporter
Full Member
Minuteman
Nov 11, 2007
1,118
334
WA
Gents,
I'm in need of some Quick Load analysis on powder burn vs. Barrel length. I figure a 16" barrel will be more than long enough to burn up the powder on a .510 Whisper. I am wondering if you can give me a barrel length minimum to achieve 100% burn? If it helps, lets plan on 710 gr. Amax's. I am toying with a plan on building it as a pistol, ie. shorter barrel than 16" and the Form 1 it into a SBR.
Thank you,
ST42
 
Resurrecting this thread, wondering what barrel length you ended up going with and how it worked out.
TIA