Hopefully this won't be too disappointing, but as I'm unable to share the private video this is all I can provide!
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Kurgan bow, 170@32. Shot an EWBS standard arrow (800gr/52g) over 300 yards.
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Wenge/pau amarello core flat bow, 177@32 shot a standard arrow again somewhere near 300 yards. I wasn't there when Joe was shooting these, they just appeared on Facebook, so I have very little info unfortunately.