I agree with everyone above recommending 30" tubes for a sporting clays & skeet over your preference for 26", however it's your shotgun and you should get what you want.
I encourage you to take a look at the Blaser F3 Competition. The same stock/action can be fitted with multiple barrel sets so you can have several lengths and several chamberings. I found the 12 bore 30" tubes fit me very well, but I'm also looking at a set of 20 bore 28" tubes to take on a pheasant hunt.
Wood and engraving options abound, limited only by your imagination and wallet. Weights that can be added under the forend and put in the stock to help with the balance and swing. Adjustable stocks are also available. Chokes are available from Briley in every form. The triggers are mechanical, not inertia driven. Safety is not automatic. Top of the butt pad is sloped and hard, making it easy to slide over clothing. Barrel selector is in the trigger guard. Trigger is adjustable for LOP. I'm sure there's more as well.
I chose the plain black receiver with grade 4 (I'm guessing at the grade) wood that my wife picked out. Cost was just under $8K about 2 years ago. There are some on GI that are in your price range.
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