Shotgun pellets come in several different sizes. Starting with Buck Shot .3600 to regular shot .0500 and just about every size in-between.
it is shotgun because the size of rifle is different than shotgun.
pellet
Small.
It's the size of a BB in diameter but it is more accurate than a BB. Pellets come in different sizes starting with the smallest size of .177, the largest pellet is a 50 caliber pellet and requires a very powerful air rifle to fire it.
They have a shotgun wedding
depends on your definition of "smallest" depends on your definition of "smallest"
The smallest planet is Mercury with a diameter of about 4,880 kilometers, while the largest is Jupiter with a diameter of about 139,820 kilometers. Therefore, the diameter difference between the smallest and largest planet is approximately 135,940 kilometers.
diameter
A hydrogen atom has the smallest diameter because there is only one proton and neutron.
Note: The shotgun does not have "bullets" it has shells which are the casings and generally pellets inside the casing (of different gauge's); the number of pellets vary according to the gauge or size of the pellet. The smaller the pellet, the more there are of them.
Mercury, because it is the smallest planet in our solar system