because this:

by Rob Leahy , Prescott, Arizona, Saturday, August 01, 2015, 13:17 (3342 days ago) @ Rob Leahy

http://clarkcustomguns.com/parts-category/1911/

and this:http://www.sixguns.com/tests/tt460r.htm

Only I haven't seen any AA7 in quite a while...

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Of the Troops & For the Troops