They also sell combat helmets, tactical vests & clothing, magazine & shell pouches, etc. Here are a few things I found from a quick search:
http://www.grainger.com/Grainger/items/3THP2?Pid=search
http://www.grainger.com/Grainger/items/3THN5?Pid=search
http://www.grainger.com/Grainger/items/3THN4?Pid=search
http://www.grainger.com/Grainger/items/3THG8?Pid=search
http://www.grainger.com/Grainger/items/3THL4?Pid=search
http://www.grainger.com/Grainger/items/3THL5?Pid=search