Rubuta ci gaba don wannan sakin layi - Duk da haka, Grenzers sun kasance da farko da kuma manyan dakarun da aka yi da kuma ba a yi la'akari da su 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, sojojin Grenz sun yi nasara sosai a 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.