A farm worker found 17 bullets while clearing a farm in the Ngoriga area of Njoro, Nakuru County.
The worker discovered a partially buried plastic container while clearing bushes and found it contained 17 live rounds.
Police were notified and collected the ammunition for further investigation.
The landowner was not present at the time of the discovery, and authorities are looking into the matter.
In another incident at Thika, Kiambu County, police seized 20 live rounds during a raid on a home in the Umoja area on Friday.
Officers acted on a tip-off regarding illegal weapons at the residence, leading to the operation.
In addition to the ammunition, police found a kilogram of bhang, 20 liters of ethanol, and 58 military packs.
Two suspects were arrested in connection with the findings, and investigations into their motives are ongoing.