How to Build a foldable/collapsible shooting bench

[Hateful McNasty]

Those are very nice.
Here is mine.
The video shows how it was made. (But that is not me..)
It has made many trips to Wyoming for antelope and prairie dogs..

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Many years ago a giy ccould find ironing boards along the road like trash day that the fabric top was ratted out but the nice foldable legs were as good as new.

Then the schools got away from these type desks and the school gun club with ffa shop modified the desk top part to bench off of ..

Me im still on sawhorses and stuffed socks . I like that of yours looks easy to chunk in the truck and set up most anywhere lite and convenient..

Backyard/home i like the heavy and sturdy/stable like the op's .