Steyr ACR

One of the candidates of the early 1986 Advanced Combat Rifle program, aiming to find a successor to the M16 due to perceived precision issues, the ACR was Steyr's representative competing against H&K's G11 as well as Colt's ACR and AAI Corporation's ACR (both not to be confused with the Bushmaster ACR). The program saw multiple developments about ammunition technology: H&K used caseless ammunition with the G11 and Colt used duplex rounds (two smaller bullets inside a regular cartridge) while AAI and Steyr went with flechette ammunition. Flechettes (from the French fléchette, "small arrow" or ...