Unleash Unrivaled Precision: The Timney Triggers 667S-ST Competition Trigger for AR-15
Are you an AR-15 owner who demands the absolute best from your rifle? Do you find yourself striving for tighter groups, faster split times, and a more consistent shooting experience? Whether you're a competitive shooter chasing podium finishes, a dedicated precision enthusiast, or simply someone who believes in optimizing every component of their firearm, the trigger is arguably the most critical interface between you and your rifle's performance. A standard, factory-installed AR-15 trigger, often referred to as "mil-spec," can be a significant limiting factor, characterized by a heavy, gritty, and inconsistent pull that hinders accuracy and slows down follow-up shots.
This is where a premium upgrade like the Timney Triggers 667S-ST Competition Trigger enters the arena, offering a transformative enhancement that can unlock your rifle's true potential. Designed for those who refuse to compromise on feel, reliability, and precision, this single-stage, straight-shoe trigger with a crisp 3.00 lb pull weight is engineered to redefine your shooting experience.
Why a High-Performance AR-15 Trigger is Essential
For many AR-15 owners, upgrading the trigger is the first, and often most impactful, modification they make. Here’s why a superior trigger system is not just a luxury, but a necessity for serious shooters:
- Eliminate Creep and Overtravel: Mil-spec triggers often suffer from significant "creep" (unwanted movement before the hammer releases) and "overtravel" (excessive movement after the hammer releases). These inconsistencies disrupt your sight picture and make precise shot placement challenging. A well-engineered competition trigger eliminates these issues, providing a clean, predictable break.
- Achieve Consistent Pull Weight: Variability in pull weight from shot to shot makes it difficult to anticipate the break, leading to flinching or poor trigger discipline. A quality aftermarket trigger delivers an incredibly consistent and repeatable pull, fostering confidence and accuracy.
- Faster Follow-Up Shots: A lighter, crisper trigger allows for quicker reset and faster manipulation, enabling rapid and accurate follow-up shots—a critical advantage in competitive scenarios and dynamic shooting.
- Enhanced Accuracy: By minimizing shooter-induced movement and providing a predictable trigger break, a premium trigger directly contributes to tighter shot groups and improved overall accuracy.
- Improved Shooter Comfort and Reduced Fatigue: A smooth, light pull requires less effort, reducing hand fatigue during extended shooting sessions and allowing you to focus on fundamentals.
If these challenges resonate with your shooting experience, the Timney 667S-ST is designed to directly address and resolve them, setting a new standard for AR-15 trigger performance.
Introducing the Timney Triggers 667S-ST Competition Trigger
The Timney Triggers 667S-ST is a masterclass in trigger engineering, specifically crafted to elevate the performance of your small pin AR-15 platform. It’s not just an upgrade; it’s a complete transformation of your rifle's feel and responsiveness.
Single-Stage Perfection: The Crisp Break You Crave
The defining characteristic of the 667S-ST is its single-stage design. Unlike two-stage triggers which have a take-up phase followed by a break, a single-stage trigger offers a direct, immediate, and clean break once the pre-set pull weight is overcome. This makes it ideal for:
- Competitive Shooting: Where instantaneous and predictable hammer release is paramount for rapid fire and split-second decision-making.
- Precision Applications: Where any perceived movement or "mushiness" in the trigger pull can detract from shot placement.
- Instinctive Shooting: Allowing the shooter to focus entirely on the sight picture and breath control, knowing the trigger will break precisely when intended.
The experience is one of pure, unadulterated crispness – a sensation that immediately inspires confidence.
The Ideal 3-Pound Pull Weight: Balanced for Control and Speed
With a precisely calibrated 3.00 lb pull weight, the Timney 667S-ST strikes an optimal balance. It’s light enough to prevent shooter fatigue and enable rapid firing, yet substantial enough to maintain a margin of safety and prevent accidental discharges, particularly under stress. This weight is highly favored by competitive shooters in disciplines like 3-Gun, USPSA PCC (Pistol Caliber Carbine), and various precision rifle series where a light, predictable pull is key to fast, accurate strings of fire. It offers:
- Minimized Muzzle Disturbance: Less force required to pull the trigger means less chance of pulling the rifle off target.
- Faster Target Transitions: The light pull facilitates quicker reacquisition and engagement of multiple targets.
- Reduced Flinch: The predictability and minimal resistance reduce the tendency to anticipate the shot and flinch.
Straight Trigger Shoe Advantage: Ergonomics Meets Performance
The straight trigger shoe design of the 667S-ST is a deliberate choice for performance-oriented shooters. While curved triggers are common, a straight trigger offers distinct advantages:
- Consistent Finger Placement: A straight shoe encourages more consistent finger pad placement, which is crucial for repeatable results and muscle memory development.
- Perceived Lighter Pull: Due to the leverage mechanics, many shooters perceive a straight trigger to have an even lighter pull than a curved one of the same measured weight.
- Optimized for Speed: The direct path of engagement allows for faster, more efficient trigger finger manipulation, enhancing rapid-fire capabilities.
Small Pin Compatibility: Seamless Integration for Your AR-15
The Timney 667S-ST is specifically designed for small pin AR-15 lower receivers. This ensures a perfect fit and reliable operation in the vast majority of standard AR-15 platforms. Its precision engineering means you won't encounter compatibility issues common with lesser quality triggers, ensuring a hassle-free upgrade process.
Drop-In Simplicity: Upgrade Your AR-15 in Minutes
One of the most appealing features of the Timney 667S-ST is its self-contained, drop-in module design. Unlike complex trigger installations that require specialized tools or gunsmithing expertise, the 667S-ST comes as a pre-assembled unit. This means:
- Easy Installation: Simply remove your existing trigger group, drop the Timney module into your lower receiver, and secure it with your existing small hammer and trigger pins.
- No Adjustments Needed: It arrives factory-tuned and ready for immediate use, with no screws to adjust or springs to fuss over.
- Reduced Chance of Error: The self-contained design minimizes the potential for incorrect assembly, ensuring optimal performance and safety.
This ease of installation means you can transform your AR-15’s trigger pull in a matter of minutes, without the need for a trip to the gunsmith.
Unleashing Precision and Speed: Real-World Applications
The Timney Triggers 667S-ST is a versatile performance upgrade that excels in a variety of shooting disciplines and scenarios:
Competitive Shooting: Gain the Edge in 3-Gun and Beyond
For competitive shooters, every fraction of a second and every millimeter of accuracy counts. The 667S-ST provides a distinct advantage in dynamic shooting sports:
- 3-Gun Competitions: Rapid target acquisition and engagement, quick transitions, and fast splits are critical. The 3.00 lb single-stage pull and fast reset enable competitors to shave precious seconds off their stage times while maintaining precision on smaller targets.
- USPSA PCC (Pistol Caliber Carbine): The combination of speed and accuracy is paramount. This trigger allows PCC shooters to drive the gun faster with greater control.
- PRS Gas Gun Series: While often associated with precision bolt guns, the gas gun series demands a trigger that allows for precise shot placement at distance, even under time pressure. The clean break of the Timney 667S-ST helps minimize shot dispersion.
- High-Power Rifle Matches: Where consistent trigger pull is essential for repeatable accuracy across various positions and distances.
Precision Target Shooting: Maximizing Your Group Potential
Whether you're benchrest shooting, engaging targets at long range, or simply striving for the smallest possible groups at the range, the trigger is paramount. The Timney 667S-ST helps by:
- Eliminating Trigger-Induced Movement: The crisp break ensures that the rifle remains stable through the shot, allowing the projectile to exit the barrel with minimal disturbance to your point of aim.
- Predictable Shot Release: Knowing exactly when the trigger will break allows the shooter to maintain optimal sight alignment and breath control right up to the moment of firing.
- Reduced Parallax Error: By minimizing the time your eye spends focusing on the trigger's movement, you can maintain better focus on the reticle and target.
Varmint and Predator Hunting: Ethical and Effective Shots
For hunters pursuing small, fast-moving targets at varying distances, precision is not just about performance, but about ethical hunting. A crisp, light trigger helps ensure a clean, humane kill:
- Enhanced Precision at Range: When a tiny target requires extreme accuracy, the 667S-ST allows for surgical shot placement.
- Reduced Misses Due to Flinch: The predictable break prevents the common "jerking" motion often associated with heavy, unpredictable triggers.
- Confidence in the Field: Knowing your rifle will perform flawlessly provides a significant psychological advantage when presented with a fleeting shot opportunity.
Tactical and Defensive Builds: Reliable Performance When It Matters Most
While a very light trigger requires disciplined handling for defensive applications, for trained professionals and enthusiasts who understand trigger control, the Timney 667S-ST offers:
- Absolute Reliability: In high-stress situations, component failure is not an option. Timney’s reputation for reliability ensures your trigger will perform when you need it most.
- Enhanced Control Under Stress: A clean, predictable trigger allows for better focus on target acquisition and threat assessment, even under duress.
- Improved Accuracy on Demand: For situations requiring precise shot placement (e.g., hostage rescue scenarios, specific target engagement), the trigger facilitates that precision.
What Makes the Timney 667S-ST Stand Out? Topical Authority Signals
Timney Triggers has been a leading name in the firearms industry for decades, building a reputation for unparalleled quality, innovation, and reliability. The 667S-ST embodies this legacy through its meticulous design and superior craftsmanship.
Craftsmanship and Materials: Built to Last
The quality of materials and manufacturing processes directly impacts the longevity and performance of a trigger. The Timney 667S-ST is constructed from premium components, ensuring durability and consistent performance over countless rounds:
- A2 Tool Steel: The hammer, trigger, and disconnect components are precision machined from A2 tool steel, known for its exceptional hardness, wear resistance, and ability to maintain a sharp edge. These critical components are then heat-treated to optimal specifications, ensuring they withstand the rigors of rapid fire and heavy use without deforming or degrading.
- 6061-T6 Aluminum Housing: The self-contained trigger module is housed in a robust and lightweight 6061-T6 aluminum alloy chassis. This aerospace-grade aluminum provides a rigid foundation for the internal components, ensuring precise alignment and preventing flex under stress. The anodized finish offers excellent corrosion resistance and durability.
- Wire-EDM Cut Components: Key internal parts are precisely cut using Electrical Discharge Machining (EDM). This advanced manufacturing process allows for incredibly tight tolerances and intricate geometries, resulting in a perfectly mated trigger, hammer, and disconnector engagement – translating directly to that signature crisp break.
Advanced Geometry and Engineering: The Secret to the Feel
The secret to the Timney 667S-ST’s exceptional feel lies in its proprietary trigger geometry and internal spring design. Every angle, every contact point, and every spring rate is meticulously engineered to:
- Minimize Friction: Smooth, polished surfaces and precise component relationships reduce internal friction, leading to a buttery-smooth pull.
- Optimize Reset: The hammer and disconnector interaction is designed for a positive, tactile, and incredibly fast reset, preparing the rifle for the next shot almost instantaneously.
- Ensure Consistency: The fixed, non-adjustable design ensures that every pull is identical, delivering the same precise experience every time.
Quality Control and Testing: A Commitment to Excellence
Every Timney trigger undergoes rigorous testing and quality control procedures before it leaves the factory. This commitment to excellence ensures that each 667S-ST unit performs exactly as designed, right out of the box. From material inspection to functional testing, Timney’s dedication to quality provides peace of mind that your trigger will perform reliably for years to come.
The Timney Legacy of Excellence: Trust Built on Performance
For over 75 years, Timney Triggers has been designing and manufacturing the finest aftermarket triggers in the world. Founded by Allen Timney, the company began with a focus on enhancing the performance of bolt-action rifles, quickly earning a reputation for precision and reliability. This heritage of innovation and unwavering commitment to quality is evident in every trigger they produce, including the 667S-ST. When you choose Timney, you're not just buying a component; you're investing in a legacy of proven performance and trusted American craftsmanship.
Installation and Compatibility
As a self-contained, drop-in unit, the Timney 667S-ST is remarkably easy to install. It fits any standard AR-15 lower receiver designed for small hammer and trigger pins. If you can field strip your AR-15, you can install this trigger. Detailed instructions typically accompany the product, or you can find numerous helpful resources online for a visual guide. The process generally involves:
- Safely clear your rifle and separate the upper and lower receivers.
- Remove the existing hammer and trigger pins, then carefully extract the old trigger group.
- Place the Timney 667S-ST module into the lower receiver, aligning the pin holes.
- Reinsert your existing hammer and trigger pins to secure the module.
- Perform a function check to ensure proper operation and safety.
It’s truly a simple, straightforward upgrade that yields immediate and dramatic results.
Comparing to Mil-Spec Triggers: Quantifying the Improvement
The difference between a factory mil-spec trigger and the Timney 667S-ST is not subtle; it’s night and day. Consider these contrasts:
| Feature | Mil-Spec AR-15 Trigger | Timney 667S-ST Competition Trigger |
|---|---|---|
| Pull Weight | Often 6-9 lbs (heavy) | Precise 3.00 lbs |
| Trigger Feel | Gritty, mushy, inconsistent | Crisp, clean break, zero creep |
| Overtravel | Significant | Minimal to non-existent |
| Reset | Long, often indistinct | Short, positive, tactile |
| Trigger Shoe | Curved, standard | Straight, optimized for speed |
| Installation | Multi-piece assembly | Self-contained drop-in module |
| Consistency | Variable, unpredictable | Highly consistent, repeatable |
| Performance | Adequate for basic function | Optimized for precision & speed |
The measurable reduction in pull weight, coupled with the elimination of creep and overtravel, directly translates to enhanced shooter control and tighter groups.
Frequently Asked Questions
When considering an AR-15 trigger upgrade, many common questions arise. Here are answers to some of the most frequent inquiries about the Timney 667S-ST:
What does "single-stage" mean for a trigger?
A single-stage trigger has one continuous motion from the start of the pull until the hammer drops. There's no distinct "take-up" or "slack" phase. It provides an immediate and crisp break, ideal for applications where a predictable and fast shot release is desired.
Is a 3 lb trigger pull safe for an AR-15?
A 3 lb trigger pull is considered light and is standard for many competition and precision shooting applications. While it requires disciplined trigger finger placement and safety habits, when handled by a responsible and trained individual, it is perfectly safe. It’s important to always follow firearm safety rules, regardless of trigger pull weight.
Will this trigger fit my AR-15?
The Timney 667S-ST is designed to fit standard small pin AR-15 lower receivers. The vast majority of commercially available AR-15s use small pins. If your rifle is a standard AR-15, it is highly likely to be compatible.
How difficult is it to install the Timney 667S-ST?
Installation is very straightforward. As a self-contained, drop-in unit, it's one of the easiest AR-15 trigger upgrades to perform. Most users can complete the installation in under 15 minutes with basic tools like a hammer and punch for pin removal.
Do I need to lubricate or maintain this trigger?
The Timney 667S-ST is largely maintenance-free. Its sealed design protects the internal components. Standard firearm cleaning practices should suffice, ensuring no debris builds up around the trigger shoe or module. No special lubrication or disassembly is typically required for maintenance.
Why choose a straight trigger shoe over a curved one?
The choice between a straight and curved trigger shoe is often personal preference, but straight triggers are favored by many competitive and precision shooters. They can offer a more consistent finger placement, and some shooters perceive them as providing more leverage, making the pull feel even lighter. They are excellent for rapid, repeatable firing.
Elevate Your Shooting Experience with Timney
The Timney Triggers 667S-ST Competition Trigger represents a pinnacle of AR-15 trigger performance. It’s an investment not just in a component, but in your rifle's accuracy, speed, and overall shooting enjoyment. By eliminating the inconsistencies of a standard trigger and delivering a crisp, predictable 3.00 lb single-stage break, it empowers shooters to achieve their full potential. Whether you're on the competition stage, in the field, or on the range, the Timney 667S-ST will transform your AR-15 into a more precise, responsive, and satisfying firearm to operate. Discover the difference that world-class engineering and a legacy of quality can make for your AR-15. This exceptional trigger is available for your next build or upgrade at DEGuns.
Product Specifications
| Feature | Detail |
|---|---|
| Model | Timney Triggers 667S-ST Competition Trigger |
| UPC | 081950667505 |
| Platform | AR-15 (Small Pin) |
| Trigger Type | Single-Stage |
| Pull Weight | 3.00 lbs (Approximate) |
| Trigger Shoe | Straight |
| Housing Material | 6061-T6 Aluminum (Anodized) |
| Internal Components | A2 Tool Steel (Heat-Treated, Wire-EDM Cut) |
| Installation | Drop-In Module |
| Adjustable | No (Factory Pre-Set) |
| Manufacturer | Timney Triggers |
