don't know if these are for structural purposes or just mag clamping purposes, but these two guys know how to get the most for their zip strip dollar...
http://it.news.yahoo.com/09052007/2/immagine/nigeria-mend-danni-ad-agip-eni.html
http://it.news.yahoo.com/09052007/2/immagine/nigeria-mend-danni-ad-agip-eni.html