The AR-US is a weapon in Just Cause 5 (fan fiction spin-off by Anonymous230385).
Description[]
"Designed as the M16 in the 1970s and then moving into the M4A1 in the 2000s, the AR-US is the next step in the M16 family."
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The AR-US is a weapon in Just Cause 5 (fan fiction spin-off by Anonymous230385).
"Designed as the M16 in the 1970s and then moving into the M4A1 in the 2000s, the AR-US is the next step in the M16 family."