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RISE Armament RA-140 AR-15/AR-10 Super Sport Drop-In Trigger Single Stage
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$139.99
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SKU: WX2*0716830
Overview
Built for AR owners who want a cleaner trigger without a complicated install, this drop-in unit is aimed at straightforward upgrades to mil-spec-style rifles. Its single-stage, non-adjustable 3.5-pound pull is suited to shooters looking to replace a gritty stock trigger with a lighter, more consistent feel in a range of compatible AR-style platforms. The self-contained cassette design is made for quick installation with no gunsmithing required, and the included anti-walk pins add a practical touch for setup. It is a focused upgrade for hunting, training, or general rifle use, though the set screw should not be altered.
Why Hunters Choose the Rise Armament
True Drop-in
No gunsmithing required
Self-contained Design
Simplifies installation and setup
Single-stage, Non-adjustable
3.5-pound trigger pull
Fits Ar-style
Platforms built to mil-spec dimensions
Includes Anti-walk
Pins for added installation support
Key Features
- Self-contained drop-in trigger for quick installation with no gunsmithing required.
- Single-stage trigger with a non-adjustable 3.5-pound pull.
- Fits AR-style platforms built to mil-spec dimensions.
- Compatible with calibers including .223/5.56, .308, 6.5, 9mm, and more.
- Includes anti-walk pins; KNS Anti-Rotate Pins are recommended but not required.
- Set screw should not be tampered with; modifying the trigger voids the warranty.
Best Used For
- AR-15 or AR-10 owners wanting a simple drop-in trigger upgrade without gunsmithing
- Shooters seeking a lighter, non-adjustable 3.5-pound single-stage pull
- Mil-spec AR platform users in .223/5.56, .308, 6.5, 9mm, and similar calibers
- Builders who want an included anti-walk pin setup for added installation security
- Hunters and range shooters replacing a gritty stock trigger with a self-contained cassette design
Specifications
| Adjustable | No |
|---|---|
| Cnc Machined | Yes |
| Compatibility | AR-15/AR-10 AR-style platforms built to mil-spec dimensions |
| Gunsmithing Required | No |
| Included Accessories | Anti-walk pins |
| Installation | True drop-in installation |
| Kns Anti Rotate Pins Recommended | Yes |
| Material | High-grade, heat-treated tool steel; black 8625 hardcoat anodized aluminum cassette |
| Pull Weight | 3.5 lb |
| Self Contained | Yes |
| Trigger Type | Single Stage |
Pros
- True drop-in installation with no gunsmithing required
- Self-contained design simplifies installation and setup
- Single-stage, non-adjustable 3.5-pound trigger pull
- Fits AR-style platforms built to mil-spec dimensions
- Includes anti-walk pins for added installation support
- CNC machined from high-grade, heat-treated tool steel
Considerations & Trade-offs
- Fits AR-style platforms built to mil-spec dimensions, so compatibility depends on the rifle being within that standard.
- The trigger pull is non-adjustable, so there is no built-in tuning for shooters who prefer a different break weight.
- KNS Anti-Rotate Pins are recommended but not required, which adds an optional accessory consideration for users concerned about pin movement.
- The set screw should not be tampered with; any modification voids the warranty, limiting post-install adjustment.
Suggested Comparisons
- AR-15 trigger upgrades
- AR-10 trigger upgrades
- Drop-in rifle trigger assemblies
- Mil-spec compatible AR parts
Suggested Accessories
- Trigger pin retention accessories
- AR-15/AR-10 anti-walk pins
- AR-style platform maintenance tools
- Firearm assembly tools
Frequently Asked Questions
What AR platforms does the RA-140 fit?
It fits AR-style platforms built to mil-spec dimensions. The product data lists calibers including .223/5.56, .308, 6.5, 9mm, and more.
Is this a drop-in trigger, or does it need gunsmithing?
It is a true drop-in design and the product states no gunsmithing is required.
Is the trigger pull adjustable?
No. The RA-140 is listed as a non-adjustable single-stage trigger with a 3.5-lb. pull.
Does it include anti-walk pins?
Yes. The product data says it includes anti-walk pins, and it also notes that KNS Anti-Rotate Pins are recommended but not required.
Can the set screw be adjusted?
No. The product information specifically says the set screw should not be tampered with, and any attempt to modify the trigger will void the warranty.