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Geissele SD-3G Super Dynamic Trigger Group 3-Gun Version AR-15 LR-308 Matte
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$249.99
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SKU: GEI05-166-854014005076
Overview
Built for fast, controlled semi-automatic shooting, this trigger group is aimed at shooters who want a short pull and quick reset for rapid follow-up shots. It is described as a semi-automatic derivative of Geissele’s Super Select-Fire combat trigger, with a hybrid feel that blends characteristics of two-stage and single-stage operation. That makes it a practical choice for high-volume range use and demanding target work where speed and precision both matter. Compatibility is listed for AR-15 platforms with small .154" pin size.
Why Hunters Choose the Geissele
Compatible Ar-15
AR-15 platforms using small .154"
Super Short
Trigger pull supports fast follow-up
Short Reset
Helps maintain a rapid firing
Hybrid Trigger
Feel blends two-stage and single-stage
Precise Trigger
Control on demanding medium and
Key Features
- Geissele Super 3 Gun (SD-3) trigger for semi-automatic AR-15 use.
- Derived from Geissele's Super Select-Fire (SSF) combat trigger design.
- Super short trigger pull with a short reset.
- Hybrid trigger feel between traditional two-stage and single-stage operation.
- Compatible with AR-15 rifles using small .154" pin size.
- Matte finish.
Best Used For
- Competitive 3-gun shooters wanting a short pull and fast reset for rapid target transitions.
- AR-15 owners seeking a semi-automatic trigger for precise control on medium and long-range targets.
- Shooters who prefer a hybrid feel between traditional two-stage and single-stage trigger behavior.
- Users building an AR-15 with small .154-inch pin compatibility and Geissele trigger components.
Specifications
| Blade Finish | Matte |
|---|---|
| Compatible With | AR-15 |
| Pin Size | Small (.154") |
| Trigger Style | Semi-automatic derivative of the two-stage Super Select-Fire (SSF) combat trigger |
| Trigger Type | Super 3 Gun (SD-3) trigger |
Pros
- Compatible with AR-15 platforms using small .154" pin size.
- Super short trigger pull supports fast follow-up shots.
- Short reset helps maintain a rapid firing rhythm.
- Hybrid trigger feel blends two-stage and single-stage characteristics.
- Designed for precise trigger control on demanding medium and long range targets.
- Retains the safety and robustness of the trigger design.
Considerations & Trade-offs
- Designed for AR-15 platforms with small (.154") pin size, so compatibility is limited to rifles that match that specification.
- The short trigger pull and quick reset are oriented toward rapid fire, which may be less suited to shooters who prefer a more traditional two-stage feel.
- This is a specialized trigger group aimed at performance use, so it may be more than needed for general-purpose rifles or slower-paced shooting.
- No additional fitment details are provided beyond AR-15 compatibility, so confirming platform compatibility before purchase is important.
Suggested Comparisons
- Two-stage AR-15 trigger groups
- Single-stage AR-15 trigger groups
- AR-15 match triggers
- AR-15 trigger upgrade kits
Suggested Accessories
- Trigger pin installation kit
- Gun cleaning kit
- AR-15 lower parts kit
- Spare trigger pins
Frequently Asked Questions
What rifles is the Geissele SD-3G Super Dynamic Trigger Group compatible with?
The provided specifications list compatibility with AR-15 and a small .154" pin size. No other platform compatibility is stated in the source data.
Is this a two-stage or single-stage trigger?
The description says the SD-3G is a semi-automatic derivative of Geissele’s two-stage Super Select-Fire trigger, and it describes the Super 3 Gun trigger as a hybrid pull between a traditional two-stage and single-stage feel. It does not give a simple one-word classification beyond that.
What kind of shooting is this trigger intended for?
The source describes it as ideal for high-volume, accurate fire and for engaging demanding medium and long range targets. It is presented as a 3-gun version trigger.
Does the product listing provide the trigger pull weight or other detailed dimensions?
No. The provided data does not include trigger pull weight, blade length, overall length, or weight.
What does the listing say about reset and trigger travel?
The description states that the trigger has a super short trigger pull and a short reset, with a lightning-quick reset. No exact measurements are provided.