In 2004 Portugal announcd the results of a competition for a new 5.56mm rifle and LMG (plus a 9mm pistol), to replace the 7.62mm G3 rifle and the HK21, MG42-59 and MG3 MGs, plus Walther P38 and PP pistols, and some SIG 543 5.56mm rifles.
Winner of the rifle contest was the HK G36, but...