Why go with the bisley hunter if you're running irons only? Personally I prefer the balance of the 5 1/2" bisley.
The trigger guard is integral with the bisley grip. I'm suprised the other poster has had his second knuckle wacked with the bisley grip. I've shot 475 and 500 linebaugh bisleys, and have never had that problem.
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If you think peeing into the wind is bad, try running a snowblower into the wind.