Fetching details from the dictionary...

to load (a gun, etc.); to charge
to put into (e.g. emotion, effort)
to include (e.g. tax in a sales price)
to hang over; to shroud; to enshroud; to envelop; to screen
猟師は猟銃に弾を込めて獲物に向かって構えた。
He loaded the gun and took aim.
猟師は慎重に銃に弾を込めた。
The hunter carefully loaded a bullet into the gun.
兵士は銃に弾薬を込めている。
The soldier is loading ammunition into the gun.