I have zero opinion on gun drilled axles. The cost makes this something I will never pursue in my level of play. A tube vs rod may be true in some applications. I am a big fan of weight savings but this are things I've read on Mark Williams and Strange's website.
According to the 2 leading axle manufacturers. Gun drilling, in the same size axle, does not make it stronger. On their website, it shows a lower torque rating in the same diameter. So I see this ONLY as a benefit if you are restricted to a particular size, need to save weight and are willing to spend and the finished product will still be strong enough. The rest of us will just get a bigger diameter axle shaft.
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