Ka cika wannan jumla: Don ya cika sabon abin da ake bukata, George William Patchett, babban mai tsarawa a Kamfanin Sterling Armaments na Dagenham, ya gabatar da samfurin sabon makami a farkon 1944. Na farko Patchett samfur gun ya kama da Sten har ta cocking rike (da Ramin shi koma da baya da kuma gaba a) da aka sanya a layi tare da ejection tashar jiragen ruwa ko da yake an redesigned nan da nan bayan da kuma koma sama zuwa wani dan kadan offset matsayi. Rundunar sojan ta gane da sauri Patchett ya karu da ƙwarewa da aminci idan aka kwatanta da Sten kuma ya umarci misalai 120 don gwaji. Zuwa karshen yakin duniya na biyu, wasu daga cikin wadannan gwaje-gwajen gwaje-gwaje an yi amfani da su a cikin yakin da sojojin da ke cikin jirgin sama suka yi a lokacin yakin basasa na biyu.
Yaƙin Arnhem da kuma ta hanyar runduna ta musamman a wasu wurare a Arewacin Turai inda aka san shi a matsayin Patchett Machine Carbine Mk 1. Misali, bindigar bindiga ta Patchett (lambar lamba 078 kuma yanzu tana hannun Gidan Tarihin Yaƙin Imperial), Kanar Robert W.P. Dawson ne ya yi amfani da shi yayin da yake Kwamandan Kwamandan na No. 4 Commando, yayin harin da aka kai a Walcheren a matsayin wani ɓangare na Operation Infatuate a watan Nuwamba 1944. Saboda Patchett / Sterling na iya amfani da madaidaiciyar mujallu na Sten da kuma ƙirar Sterling mai lankwasa, babu matsalolin haɗin kai.