Rubuta ci gaba don wannan sakin layi - Farawa a cikin 1613, ƙaruwar rashin ingancin gwamnatin tsakiya, gami da ƙaruwar barazanar ƙasashen waje, ya haifar da ƙirƙirar rundunar tsaron yanki na gida, wanda aka sani da "żołnierz powiatowy" (sojojin gundumar da yankunan powiat suka ɗaga). An sake fasalin rukunin mayakan, da farko da baƙi suka yi, a cikin 1630s, tare da sabon haraji da aka ɗora don tallafa musu. Wannan lokacin kuma ya nuna gabatarwar Janar na Artillery a cikin rundunonin Commonwealth. A tsakiyar karni na 17, lambobin "wojsko zaciężne" da "kwarciane" sun tabbatar da cewa basu isa ba, wanda ya haifar da ƙirƙirar "wojsko komputowe" (wanda aka sanya wa suna "komput", takaddar da Sejm ta zartar). "Wojsko komputowe" ya ƙidaya (a cikin 1649) 26,000. A lokaci guda, "wojsko kwarciane" an rushe shi, kuma "kwarta" ya yi niyya ga sabbin sojojin da aka kirkira. Brzezinski ya lura cewa "wojsko kwarciane" an rushe shi bayan nasarar da aka yi a yakin Batih a 1652. A shekara ta 1659, bayan yaƙe-yaƙe da yawa
, sojojin da aka gyara sun kai kimanin 54,000-60,000; zai ragu daga wannan lokacin zuwa gaba, kamar yadda kasar, da talauci ta wadannan yaƙe-yaƙe, ba za ta iya tallafawa irin wannan adadi ba.