CCI CB short has 0.5 gr of powder, the max that can be silenced with 24" of 22 rifle barrel.

The CB short is BB gun quiet if it hit something soft, like a raccoon's head.

[Linked Image]

[Linked Image]

The CB short is noisy if it hits something hard, like plywood.

The CB short is faster than the CB long for the same amount of powder and noise. That is because of the higher pressure and expansion ratio.

The CB short is noisier if it hits something hard, because the bullet is faster.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps