If your Firehawk is anything like mine, it's a real conical shooter.

If TC can't fix your problem and you end up with a Black Diamond, FWIW you may be a bit dissappointed as I don't think they're known for being a conical shooter due to their much faster twist (1:28 vs 1:38 of the Firehawk).
Yes, the Black Diamond can throw a sabot as well as the Encore or Omega, but again I've never heard much about them being a conical shooter. If you intend as using your rifle to shoot sabots, the Black Diamond is a great gun; a couple of my friends have one and Cayugad has professed many times about his.
Wish TC would introduce a (from the factory, not the expensive Fox Ridge special order) 1:38 twist barrel for the Encore...I'd order one immediately. [

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