Bullpup and Electric Trigger, Part 1

Here’s how I built a 22 Long Rifle bullpup with an electric solenoid trigger system.

by Glen Calvert

Bullpup rifles typically have less than great triggers; a long and spongy travel with a pull weight of more than seven pounds. This is the result of the additional parts and friction in the linkage from the forward mounted trigger back to the fire control group.

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I admit to being a trigger snob and have installed aftermarket triggers on several rifles and handguns. A shorter, lighter trigger pull improves accuracy by reducing the amount of effort and time to fire the shot while holding the sights on target. This is particularly noticeable when shooting offhand.

After reading a few articles about poor trigger pulls on bullpup rifles and pistols such as the Remington XP-100 and the Savage Striker, I wondered if there may be a better way to actuate the trigger. Instead of using a mechanical linkage that has to get past the action and magazine to the fire control group, I decided to use an electric solenoid to actuate it. I didn’t have a bullpup to try this on, so I decided to build one based on a Ruger 10/22. Here’s how I did it.

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