| According to ballistics, one .577 and two .600 caliber nitro-express rifle bullets made in England over 100 years ago. | จากการยิงออกไป มีกระสุน .577 หนึ่งนัด กับ .600 Game Ogre (2012) |
| Express rifle | . A sporting rifle for use at short ranges, employing a large charge of powder and a light (short) bullet, giving a high initial velocity and consequently a flat trajectory. It is usually of moderately large caliber. [ Webster 1913 Suppl. ] |