The primary role of the open-top slide was to provide a 180 ejection port.

The stock was also slightly cut down on the left side to clear the ejection port.

In addition, the ejection port has no dust cover.

Due to the position of its ejection port, the K-3 can only be fired right-handed.

In this system, the ejection port is located above the pistol grip, and points forward.

The ejection port is located on the right side of the weapon.

Some residue will come out from the automatic's ejection port, but only a very small amount.

Serial number is stamped on the slide under the ejection port instead of below and behind it.

The ejection port comes with a dust cover that, when closed, locks the bolt in position.

He inverted his P90 and smiled at the ejection port.