Source: The Great Interpretation of Dreams (Ibn Sirin)
(By analogy with a weapon and spear) A rifle in a dream indicates power and authority. Carrying it indicates gaining a position or exaltation. Hunting with it indicates striving to seek livelihood.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
(By analogy) A rifle indicates a strong, brave man. It may indicate a male child.
Source: Signs in the Science of Expressions (Ibn Shaheen)
(By analogy) A rifle is interpreted as power, victory, and triumph over enemies. Whoever sees himself shooting with it is speaking influential words.