Pedzisa mutsara unotevera: Zvisinei, maGrenzers akanga ari mapoka okutanga uye anokosha uye aifungidzirwa kuti haasati achiita zvakanaka mubasa revanotungamira semapoka ehondo. Saka vakuru vakuru vemauto eAustria vakanga vasinganyanyi kuvaremekedza. Pashure pokupanduka muna 1800, nhamba yavo yakaderedzwa kubva pa57 000 kusvika pa13 000 chete. Pasinei neizvi, varwi veGrenz vakaramba vachiita zvakanaka muhondo, zvikurukuru pa
Marengo naAusterlitz, vachiwana ruremekedzo rwavaFrance. Napoleon aivaremekedza zvikuru uye aivarangarira samasoja airwisana zvikurusa muuto rose reAustria. Haana kuzeza kushandisa Grenz infantry mushure mekukundwa kweAustria muHondo yeChishanu yeMubatanidzwa muna 1809. Chibvumirano cheSchönbrunn chakamanikidza Austria kuti ipe nzvimbo muMilitary Frontier uye 1st, 2nd, 3rd, 4th, 10th uye 11th Grenz Infantry Regiments vakaenda kunoshanda kuFrance. Vakarwira Napoleon kutozosvikira arohwa ndokurega kuva mambo muna 1814.