Just got back from the LGS. The S&W i-Bolt fits with no issues into a Remington 700 BDL Long Action factory wood stock.
The Smithy removed the action, magazine insert and trigger guard from my S&W synthetic stock and everything dropped right into place.
So the solution to anyone wanting to replace the ugly S&W stock on a 30-06 i-Bolt is to get a Remington 700 BDL LA stock and proceed from there. Bedding, free floating, etc..
NRA Chief Range Safety Officer, Home Firearm Safety and Pistol Instructor
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Leonardo da Vinci