The Remington Model 51 uses an internal hammer and features a single-action trigger.

In some cases, the pin would become stuck, causing the internal hammer to jam.

The Olympia design had a fixed barrel, open-topped slide and internal hammer.

He pointed to the internal hammer with the screwdriver.

A jackhammer operates by driving an internal hammer up and down.

The trigger is a single action, internal hammer.

The Model 12 was the first truly successful internal hammer pump-action shotgun ever produced.

Some modern coach guns feature internal hammers as opposed to the traditional external hammers.

It also had an internal hammer and an internal safety device, preventing from shooting with not fully closed breech.