The weight of the Monster Exact Diabolo pellets have been chosen to fit the most powerful air rifles currently available on the market. It is a really heavy weighted pellet that is stable even at higher power levels. A top choice for airgun hunters. Also check out the new Diabolo Beast if you’re looking for something even heavier.
JSB pellets are considered to be one of the premier pellets made today. These .177 caliber Monster Exact pellets weigh in at 13.4 grains- which will do the job if you like to hunt or do pest control with magnum air rifles or precharged pneumatic airguns.