I've tried two sets.. one in ebony and one in deer antler..
pictures attached.
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These were at 21 grams..
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The ebony set sold last summer, still have the deer antler.. lots of admirers, but so far no takers. I kinda lucked out on them, I forgot to weigh them before the final assembly, so didn't put the lead wool in the tubes to increase weight.. all three came out the same final weight of 19 grams.. a little light, but within the range of specs listed in the instructions.
Does anyone know where I can get just the brass parts? I have made several sets and use my own flights and shafts. Web searches have turned up nothing.