unrifled

adj.

未在枪（或炮）膛内制来复线的，滑膛的；

Characteristics of Flow and Flame Behavior Behind Rifled/Unrifled Nozzles
Percussion fuze, particularly for unrifled shells, primarily hollowcharge shells
Hunting projectile for unrifled firearms
Forensic ballistics analysis of an unusual/unrifled/homemade firearm in the absence of the action
Test firing of rimmed and rimless rifle cartridges from single barrel breech loading unusual/unrifled/homemade firearm
Measurements of Fluid Friction Loss in 0.50 Caliber Rifled and Unrifled Gun Barrels
Sviluppo di un riflettometro portatile per la misura dello spettro di riflessione dell'iride umana.
Podría morir antes de conseguir un rifle
Él llevaba un rifle de precisión
Estudio y análisis de las mejoras posibles en un rifle de precisión para prácticas lúdicas de airsoft