Pedzisa mutsara unotevera: Kuti azadzise chinodiwa chitsva, George William Patchett, mugadziri mukuru paSterling Armaments Company yeDagenham, akapa muenzaniso wezvombo zvitsva mukuvamba kwa1944. Pfuti yekutanga yePatchett yaive yakafanana neSten kusvika padanho rekuti mubato wayo wekubata (uye slot iyo yaifamba ichidzoka nekudzoka) yakaiswa mumutsara nechiteshi chekudzinga kunyangwe ichigadziriswazve nguva pfupi yapfuura ndokuendeswa kumusoro kunzvimbo yakaderedzwa zvishoma. Mauto akakurumidza kuziva Patchett's kunyatsowedzera kunyatsoita uye kuvimbika zvichienzaniswa neSten uye akarayira mienzaniso 120 yemiedzo. Nechokumugumo kweHondo Yenyika II, mimwe yemienzaniso iyi yokuedza yakashandiswa mukurwisana nemauto anobhururuka munguva yeHondo Yenyika II.
muhondo yeArnhem uye nemauto chaiwo kune dzimwe nzvimbo muNorth Europe kwaizivikanwa zviri pamutemo sePatchett Machine Carbine Mk 1. Semuenzaniso, pfuti yePachett submachine (serial nhamba 078 uye ikozvino yakachengetwa neImperial War Museum), yakatakurwa muchiito naColonel Robert W.P. Dawson paakanga ari Mutungamiriri weNo. 4 Commando, panguva yekurwiswa kweWalcheren sechikamu cheOperation Infatuate munaNovember 1944. Nemhaka yokuti Patchett/Sterling inogona kushandisa magazini akarurama eSten pamwe chete neSterling yakagadzirwa, kwakanga kusina zvinetso zvokushanda pamwe chete.