Kammala jumla mai zuwa: Duk da haka, Grenzers sun kasance da farko da kuma manyan dakarun da suka yi amfani da su kuma an yi la'akari da cewa ba za su yi aiki ba a matsayin rawar da ake yi a matsayin 'yan bindiga kamar yadda aka saba. Saboda haka, mutane da yawa a rundunar sojan Austria ba sa daraja su sosai. Bayan wani tawaye a shekara ta 1800, an rage adadinsu daga 57,000 zuwa 13,000 kawai. Duk da wannan, Grenz infantry ya yi aiki sosai a cikin yaƙi, musamman a
Marengo da Austerlitz, suna samun girmamawa daga Faransawa. Napoleon ya ɗauke su da daraja kuma ya ɗauke su a matsayin sojoji mafi yaƙi a cikin sojojin Austriya duka. Bai yi jinkirin yin amfani da sojojin Grenz ba bayan da Austria ta ci nasara a cikin Yaƙin na Biyar na Coalition a 1809. Yarjejeniyar Schönbrunn ta tilasta Austria ta ba da yanki a cikin Sojojin Soja kuma rukunin 1st, 2nd, 3rd, 4th, 10th da 11th Grenz Infantry Regiments sun shiga aikin Faransa. Sun yi yaƙi don Napoleon har sai da ya ci nasara kuma ya yi murabus a 1814.