Looks like those legs are no longer available. Website gone and Amazon no longer has them. You’ll just have to get a Born Wild Shooting Chair.
That link is showing currently unavailable with no assurance if they will be back in stock or not.BD
Thanks for the follow-up Dan...
i shoot my best groups off an old picnic bench with my kids bouncing on both sides Sorry no experience with the product in quetion, but like some have stated theres alot of inexpensive and simple ways to come up with a decent shooting bench!