I don't know if they were meant to have a pillar installed but I put'm in. There is enough meat from the bottom of the trigger guard mortice to the top of the sear relief cut in the stock to glue a full 1/2" one in.
The only thing I do differently today, I'll notch the pillar for sear clearance after it installed rather than like the one in the pic. BTW, I bed the stock and glue both pillars in at the same time, one shot and done. For myself its easier than doing then individually.
Bill
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