GEISSELE SUPER DYNAMIC 3 GUN – SD3G TRIGGER

When you need a trigger that responds instantly to your press without creep or hesitation, the SD3G delivers. Built for competitive shooters and serious AR operators, this semi-auto trigger gives you the control that separates clean hits from misses. As your FFL dealer in Silicon Valley, TacticCAL stocks quality components that shooters in Vallejo and beyond trust for match day and beyond.

What makes this trigger stand out

The Super Dynamic 3 Gun trigger engineering focuses on consistency—a clean break without the unpredictable travel that throws off your shot. The 5.55-pound pull weight sits in that sweet spot for precision without becoming sluggish. Whether you're running drills or competing, this trigger integrates seamlessly into your AR build. Curious about your build options or compliance questions? Check our California gun-buyer FAQ for answers on parts, transfers, and regulations. Visit our gun store in Sunnyvale for our full catalog.

Frequently asked questions

Will this trigger work in my current AR lower receiver?

Yes. The SD3G is a standard small-pin trigger, compatible with any AR lower receiver machined for standard triggers. Installation is straightforward if you have basic gunsmithing tools or access to a qualified armorer.

What's the difference between the SD3G and other Geissele triggers?

The SD3G is optimized for 3-gun competition—lighter, faster reset, and tuned for speed-focused shooters. Other Geissele models target different disciplines like long-range or duty use with different pull weights and characteristics.

How much does an FFL transfer cost in Sunnyvale?

See our pricing and fees page for current FFL transfer rates — TacticCAL keeps fees flat and transparent. Find gun store Fremont at TacticCAL.