Summary and Key Points: The U.S. Army's Advanced Combat Rifle (ACR) program aimed to replace the M16 rifle with a more advanced design but ultimately failed to find a suitable successor.

The AR-18 was never officially adopted by any country’s military or police forces as ... the American Adaptive Combat Rifle (ACR), and the (infamous) British SA80. A comrade on my left and ...

Location: La Loma village in Media Luna province. The ACR is a popular assault rifle used primarily by American military and law enforcement units. It excels in long-distance firefights ...

and Sako rifle for the British Army's Project Grayburn, a programme to replace the SA80. Speaking at the Enforce Tac 2025 defence exhibition, held from 24 to 26 February in Nuremburg, Germany ...