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Geissele GS2 2-stage AR-15/AR-10 Trigger
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$179.99
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SKU: WX2*0721081
Overview
Built for shooters who want a controlled trigger feel without added complexity, this non-adjustable two-stage option is designed for precise trigger control in semi-automatic AR platforms. Its smooth first stage and crisp second stage make it well suited to accuracy-focused shooting, while the forgiving two-stage design also supports use in higher-stress situations. It features an M4 curved trigger bow, a total pull weight of 4.25-4.75 lbs., and drop-in installation for mil-spec AR-15 and most AR-10 lowers.
Why Hunters Choose the Geissele Automatic
Non-adjustable Two-stage
Design supports precise trigger control
Smooth, Light
First-stage take-up helps manage the
Crisp Second-stage
Break suits deliberate shooting
Total Pull
Weight of 4.25–4.75 lbs. is
Drop-in Installation
Simplifies setup on compatible lowers
Key Features
- Non-adjustable 2-stage semi-automatic trigger for precise trigger control
- Total pull weight of 4.25-4.75 lbs.
- Smooth, light first stage take-up
- Crisp second stage break
- M4 curved trigger bow
- Drop-in installation fits mil-spec AR-15 and most AR-10 lowers
Best Used For
- Hunters wanting precise trigger control for AR-15 or compatible AR-10 setups
- Shooters who prefer a non-adjustable two-stage trigger for consistent operation
- Users seeking a smooth first stage and crisp second-stage break
- Rifle owners wanting a drop-in trigger for mil-spec lower compatibility
- Field shooters balancing precision-focused control with forgiving high-stress handling
Specifications
| Adjustable | No |
|---|---|
| Compatibility | Fits mil-spec AR-15 and most AR-10 lowers |
| Country Of Origin | USA |
| First Stage | Smooth, light first stage take-up |
| Installation | Drop-in installation |
| Second Stage | Crisp second stage break |
| Total Pull Weight | 4.25-4.75 lbs |
| Trigger Bow | M4 curved |
| Trigger Type | 2-stage semi-automatic |
Pros
- Non-adjustable two-stage design supports precise trigger control.
- Smooth, light first-stage take-up helps manage the pull.
- Crisp second-stage break suits deliberate shooting.
- Total pull weight of 4.25–4.75 lbs. is clearly specified.
- Drop-in installation simplifies setup on compatible lowers.
- Fits mil-spec AR-15 and most AR-10 lowers.
Considerations & Trade-offs
- Non-adjustable design means you’re committing to the factory 2-stage feel and pull weight rather than tuning it to personal preference.
- The 4.25-4.75 lb. total pull weight is a middle-ground setup, so it may not suit shooters looking for an especially light or especially heavy trigger.
- Fitment is listed for mil-spec AR-15 and most AR-10 lowers, so compatibility should be verified on non-standard lowers before purchase.
- The M4 curved trigger bow and 2-stage break are geared toward controlled trigger work, which may feel different from a simpler single-stage trigger setup.
Suggested Comparisons
- Single-stage AR trigger
- Adjustable 2-stage AR trigger
- Mil-spec AR lower parts kit
- Precision rifle trigger
Suggested Accessories
- AR-15/AR-10 lower parts kit
- Trigger guard
- Gun cleaning kit
- Armorer's tool
Frequently Asked Questions
What rifles does the Geissele G2S fit?
It fits mil-spec AR-15 and most AR-10 lowers, according to the product description.
Is the G2S adjustable?
No. The G2S is described as a non-adjustable 2-stage trigger.
What is the trigger pull weight?
The listed total pull weight is 4.25-4.75 lbs.
What kind of trigger feel does it offer?
The description says it has a smooth, light first-stage take-up and a crisp second-stage break.
How is it installed?
It is described as a drop-in installation trigger.