It was a more refined, lighter design incorporating a modified magazine release.

The magazine release is located in the base of the trigger guard.

The magazine release is push button only from the right side of the receiver.

The magazine drops free when the magazine release is pressed.

It also features an ambidextrous safety and magazine release on both sides of the frame.

The magazine release is on the heel of the handgrip.

The magazine release is located behind and below the magazine floor plate.

Only the magazine release was retained on both sides of the BB22.

He made sure the manual safety was still set in the middle "safe" position and then hit the magazine release.

He tripped the magazine release and dropped an empty clip, a fresh one ready in his hand.