File:Colt ACR.jpgDescriptionColt ACR.jpg Picture of a Colt Advanced Combat Rifle/M16A2E2 prototype taken by me at the National Museum of the American Indian. Date 26 March
File:NIMcase444ACRtest.jpgTest - 1990 ACR program test rifles: (from top to bottom) AAI ACR w/ Optic. Heckler & Koch ACR. Steyr-Mannlicher ACR w/ Optic. Colt ACR w/ Optic. Also
File:Colt ACR noBG.png0 Creative Commons Attribution-Share Alike 4.0 truetrue English Picture of a Colt Advanced Combat Rifle/M16A2E2 prototype determination method: SHA-1
File:Colt ACR Rifle.jpgDescriptionColt ACR Rifle.jpg English: Colt ACR Rifle Date 1989 Source Infantry, July-August 1989, Vol. 79, Page 7 Author U.S. Army