According to Rangers spokesperson, the weapons include LMG rifle, six SMG rifles, three 7mm rifle and two 44 bore rifle, 12 bore pump action and nine 30 bore pistols.
The spokesperson said that the arms were likely to be used for lawlessness and target killing in Karachi.
Rangers confiscated all the weapons and initiated investigation.
On September 2, Rangers also recovered heavy weapons from a house in Landhi area of Karachi.
Special coverage on China's Two Party Sessions by The Daily Mail - People's Daily