Mezue ahịrịokwu na-esonụ: Mmepe nke égbè na-emegharị ugboro ugboro na 1890s dugara n'iji ha eme ihe site n'aka ndị US Marines na nnupụisi Philippines na site n'aka General "Black Jack" Pershing
nchụso nke Pancho Villa, na "ọgba aghara" egbe ngwa ngwa nwetara ihu ọma na ndị nkịtị uwe ojii nkeji, ma nke oge a echiche nke ọgụ egbe e n'ụzọ zuru ezu mepụtara site na American Expeditionary Forces n'oge Agha Ụwa Mbụ. The "trench egbe", dị ka a na-akpọ ya, bụ a obere-barreled mgbapụta edinam egbe kwajuru na 6 agba nwere antimony obi tara mmiri 00 buckshot, na-onwem na a bayonet. M1897 na M1912 nwekwara ike ịbụ slam gbara: ngwá agha na-enweghị trigger disconnector, shells nwere ike gbara otu mgbe ọzọ nanị site na-arụ ọrụ na slide ma ọ bụrụ na trigger e ẹkenịmde ala, ọ bụ ezie na na okpomọkụ nke ọgụ otu onye nwere ike mfe mkpụmkpụ-stroke ngwá agha na jam ya. Mgbe a na-alụ ọgụ n'ime ọgba, a pụrụ ịtụgharị obere égbè ahụ ngwa ngwa ma gbaa ya n'akụkụ abụọ n'akụkụ ọgba ahụ. Ọkụ ndị ahụ mere ka gọọmentị Germany mee ngagharị iwe, na-ekwu na ọkụ ndị ahụ kpatara oke mmerụ ahụ, na ndị agha ọ bụla achọtara na ha ga-anwụ. Gọọmentị US jụrụ ebubo ndị ahụ, ma yie egwu ịbọ ọbọ ma ọ bụrụ na e gbuo ndị agha US ọ bụla maka ịnwe egbe.