[SHOT 2016] Troy GAU-5/A/A Rifle

A student of the development of the M4, M4A1 and MK18 rifles knows that the lineage of these guns goes back to the Vietnam era with the Colt 629. The United States Army bought the Colt 629 and designated it the XM177E2. The United States Air Force bought the Colt 629 without the forward assist […]

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