Approved 1911 list from their website:
Available for . . .
Colt Gold Cup Government
Springfield Armory Government
Sig Sauer Government
Smith & Wesson 1911
Government = 5" barrel / Commander = 4.25" barrel
IAI (Israeli Arms International) - We've found the top lugs in the slides of the Philipines produced 1911s to be soft! We've not tested the Israeli made guns but would recommend extreme caution.
Rock Island Armory
Taurus (Used to be on their approved list, but recently disapproved it)Llama
Any "GI" 1911 (note: Springfield Armory Current Production models excluded)
"The Marines I have seen around the world have, the cleanest bodies, the filthiest minds, the highest morale, and the lowest morals of any group of animals I have ever seen. Thank God for the United States Marine Corps." Eleanor Roosevelt, 1945