Well, [Austiwawa] just finished making a pretty awesome Airsoft gun turret, and decided to make a video tutorial on how he made it. Following along the build only takes about 5 minutes of your ...

She may have the upper hand in this war, because her Nerf Vulcan sentry gun is both incredibly powerful and is able to be operated autonomously with a webcam featuring a friend or foe ...

The A/MG-43 Machine Gun Sentry in Helldivers 2 is a nice option for players without access to the other sentry turret options and provides the ability to help thin out hordes of enemies.

Sentry's also an first-person shooter hybrid, letting you use a variety of guns to blow out enemy weak points, or convenient windows, to defeat the oncoming horde. It's just singleplayer for now ...