Can bbs be used in a pellet rifle?

Answer 1

Pellets are actually a little larger. if it worked, would have no velocity.

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BB's are .175 caliber, Pellets are ,177 Caliber. BB's are hard and do not deform where as Pellets are made of soft material. BB guns have a smooth bore barrel. It's just a tube. Pellet rifles use a rifled bore barrel. They have grooves in the barrel that the pellet catches as it travels down the barrel. This spinning makes the pellet spin as it leaves the muzzle and this spinning causes it to fly straighter than a round BB.

Forcing a BB to fire through a pellet rifled barrel damages the rifling as the hard BB travels down the barrel. Never use a BB in a pellet gun or rifle. Now there are rifles that are designed to shoot both BB's and pellets. These rifles have smooth bore barrels and are not as accurate as pellet rifles that have rifled barrels.

I only know if one pellet gun that is designed to shoot BB's in a rifled barrel, and that is a GAMO P-23. This pistol shoots both BB's and pellets BUT the BB's must be GAMO brand BB's designed for the P-23. These BB's are soft and conform to the rifling as they are shot. They do not damage the rifling.