 
<translate> Nke a bụ ozi dị mkpa: N'okpuru Iwu Ngwá Agha Mba (NFA), ọ bụ ihe iwu na-akwadoghị ka nwa amaala nkịtị nwee egbe egbe ọgbara ọhụrụ na-enweghị anwụrụ ọkụ (ọgba egbe nwere ogologo ọkpọ dị mkpụmkpụ karịa 18 inch (cm 46) ma ọ bụ ogologo ogologo dị mkpụmkpụ karịa 26 inch (66 cm)) (n'okpuru U.S.C. N'ihi ya, azịza ikpeazụ bụ 18 inch (cm 46). <eng> This is the relevant information: Under the National Firearms Act (NFA), it is illegal for a private citizen to possess a sawed-off modern smokeless powder shotgun (a shotgun with a barrel length shorter than 18 inches ( 46 cm) or an overall length shorter than 26 inches (66 cm) ) ( under U.S.C. Therefore, the final answer is 18 inches ( 46 cm ). 