http://vbwhiz.isa-geek.net/plans/PDFs/Knockdown_Shooting_Bench.pdfTry this, hope it helps.
i don know but this one looks hard to beat:http://www.cabelas.com/product/Cabelas-Pinnacle-Shooting-Bench/1383133.uts?Ntk=AllProducts&searchPath=%2Fcatalog%2Fsearch.cmd%3Fform_state%3DsearchForm%26N%3D0%26fsch%3Dtrue%26Ntk%3DAllProducts%26Ntt%3Dbench%26x%3D0%26y%3D0%26WTz_l%3DHeader%253BSearch-All%2BProducts&Ntt=bench&WTz_l=Header%3BSearch-All+Products