Your AR15’s trigger is more than just a mechanical component; it’s the critical link between your intent and the projectile’s trajectory. A crisp, responsive, and reliable trigger can dramatically enhance your accuracy, speed, and overall enjoyment of shooting. Whether you’re a seasoned competitive shooter, a dedicated hunter, or a recreational enthusiast, upgrading your trigger is one of the most impactful improvements you can make to your AR15. In this comprehensive guide, we’ll explore the world of AR15 triggers, helping you navigate the options and choose the perfect trigger to elevate your rifle’s performance in 2024 and beyond.
Understanding AR15 Triggers
At the heart of the AR15’s operation lies the trigger mechanism, responsible for initiating the firing sequence. Understanding the different types of triggers and their associated characteristics is crucial for making an informed decision.
Different trigger mechanisms employ varied designs to achieve their function. Let’s delve into some common types.
Single-Stage Triggers
These triggers feature a single continuous motion. When pulled, they engage the sear and release the hammer, firing the round. The advantage of single-stage triggers often lies in their simplicity and shorter overall travel. This can translate to a faster perceived “break” and can be preferred by some shooters for rapid-fire scenarios. The downside, however, is that they may offer less precision and can be more prone to accidental discharges if not handled carefully. The break tends to be abrupt, with little warning before firing.
Two-Stage Triggers
Two-stage triggers provide a more deliberate and controlled shooting experience. They feature a distinct two-part pull. The first stage is a “take-up” or “pre-travel,” where the trigger moves a certain distance before encountering resistance. The second stage is the “break,” where a slightly greater pull releases the hammer. Two-stage triggers are often favored for precision shooting and long-range applications, as they provide a clear tactile distinction between the pre-travel and the final break. This allows for greater control, reducing the likelihood of jerking the trigger and impacting accuracy.
Drop-In Triggers
Drop-in triggers offer a convenient and often pre-tuned upgrade path. These units come as a self-contained module that simply drops into the lower receiver, eliminating the need for assembling and tuning individual trigger components. Drop-in triggers are celebrated for their ease of installation, quick upgrades, and the opportunity for consistent performance across various rifles. While many drop-in triggers offer excellent performance, they can also be more expensive and some might have concerns surrounding long-term reliability. Quality is paramount, so consider the brand’s reputation and reviews.
MIL-SPEC Triggers
These triggers represent the baseline in the AR15 world. “Mil-spec” (military specification) triggers are those that meet the original specifications established by the U.S. military for the M16/AR15 rifle. They are typically heavier, with a pull weight averaging around 5.5 to 7.5 pounds. They are known for their reliability and durability, but can sometimes be criticized for a less-than-ideal feel for some shooters, especially when seeking improved accuracy.
Now, let’s delve into the key characteristics that define a great trigger.
Key Trigger Features and Terminology
Several features contribute to the overall feel and performance of an AR15 trigger. Understanding these key elements will empower you to make a more informed choice.
Pull Weight
This represents the amount of force required to release the hammer. Measured in pounds, a lighter pull weight generally allows for greater precision, as less force is needed to actuate the trigger. However, a pull weight that is too light can increase the risk of accidental discharges. The optimal pull weight depends on your intended use, skill level, and preferences. Target shooters often prefer lighter pulls, while defensive applications might benefit from a slightly heavier pull for safety reasons.
Travel
Travel encompasses the distance the trigger moves before firing. Pre-travel refers to the initial distance the trigger moves before encountering resistance. Over-travel is the distance the trigger moves after the hammer has been released. Shorter travel, especially with minimal pre-travel and over-travel, can result in a faster and more precise shooting experience.
Reset
The reset is the distance the trigger must travel forward after firing before it is ready to fire again. A short, crisp reset is highly desirable, allowing for quicker follow-up shots and maintaining a consistent shooting rhythm. A long reset can feel sluggish and may hinder rapid firing.
Trigger Materials
The materials used in trigger construction influence its durability and performance. High-quality triggers often utilize hardened steel or titanium components, known for their strength, wear resistance, and ability to withstand the stresses of repeated firing. Materials contribute to the overall feel, smoothness, and longevity of the trigger.
Drop-in Versus Standard Component Triggers
The debate between drop-in triggers and component-based triggers (where you assemble individual trigger parts) centers on ease of installation and performance. Drop-in triggers excel in their simplicity. However, component triggers may allow for more customization. The “best” choice is subjective and depends on individual preferences, skill, and budget.
Factors to Consider When Choosing a Trigger
Choosing the right AR15 trigger involves considering several factors to ensure the best possible fit for your needs.
Intended Use
The intended purpose of your AR15 dictates the trigger characteristics you should prioritize. For competition shooting, a light pull weight, short travel, and crisp reset are essential for achieving peak accuracy. For tactical or defensive use, a slightly heavier pull weight might be preferred for added safety, combined with a reliable reset. Hunting applications may benefit from a two-stage trigger for precise shot placement.
Budget
AR15 triggers vary widely in price. Establishing a realistic budget will help you narrow down your options. While a high-end trigger can significantly improve performance, there are also excellent triggers available at more affordable price points. The best value comes from balancing performance and cost.
Skill Level
Your shooting experience level can also influence your trigger selection. New shooters might find a slightly heavier pull weight beneficial, as it provides more control and helps prevent accidental discharges. Experienced shooters may benefit from lighter pull weights and shorter resets, allowing for more precise shot placement and faster follow-up shots.
Reliability and Durability
The trigger is a critical component, and reliability is paramount. Choosing triggers from reputable manufacturers with a proven track record ensures that it will withstand extensive use and provide consistent performance. Thoroughly review the trigger’s material specifications to gauge its durability. Consider asking about the manufacturer’s warranty.
Best AR15 Triggers
Now, let’s delve into some of the top AR15 triggers available. These are some of the best-performing, most reliable, and most popular triggers on the market.
The Geissele SSA-E
The Geissele SSA-E is a popular choice amongst discerning shooters. It is a two-stage trigger known for its exceptional smoothness and clean break.
- **Key Features:** Two-stage design, 3.5-pound total pull weight (approximately), chrome silicon springs, precision-machined from S7 tool steel.
- **Pros:** Very smooth action, crisp break, excellent for precision shooting, enhances both accuracy and the overall shooting experience, widely regarded as a premium option.
- **Cons:** Higher price point, the two-stage pull might not be favored by everyone.
- **Target Audience:** Competitive shooters, precision rifle enthusiasts, and those seeking a top-tier trigger for accuracy and control.
- **Price Range:** Moderate to High.
- **Review:** The Geissele SSA-E delivers a truly outstanding shooting experience. The two-stage design allows for precise control, and the break is incredibly crisp and clean. It offers an immediate and noticeable upgrade to the overall feel and performance of an AR15. Many people report significant improvements in accuracy after installing the SSA-E.
The Timney AR-15 Competition Trigger
Timney is a respected name in the trigger world, and their Competition trigger is an excellent choice for those wanting to maximize their performance.
- **Key Features:** Single-stage design, adjustable pull weight, lightweight, drop-in installation.
- **Pros:** Very easy installation, the adjustable pull weight makes it versatile, offers a crisp break, well-made.
- **Cons:** Might not be ideal for those who prefer a heavier pull weight, the adjustable pull weight can be tricky to dial in.
- **Target Audience:** Competitors, target shooters, and those looking for a high-performing drop-in trigger with some degree of customization.
- **Price Range:** Moderate.
- **Review:** The Timney AR-15 Competition Trigger is an excellent drop-in trigger that balances performance, ease of installation, and value. The adjustable pull weight is a welcome feature, allowing users to fine-tune the trigger to their specific needs. The break is crisp and clean, and the overall feel is excellent.
The Rise Armament RA-140 Super Sporting Trigger
Rise Armament offers a reliable and accurate option at a more affordable price point.
- **Key Features:** Single-stage, 3.5-pound pull weight, drop-in design, coated to resist wear.
- **Pros:** Very responsive, excellent value, crisp break, simple installation.
- **Cons:** Single-stage might not appeal to everyone, lacks the adjustability of some other options.
- **Target Audience:** Shooters looking for an upgrade on a budget, or those wanting a reliable single-stage trigger.
- **Price Range:** Moderate.
- **Review:** The Rise Armament RA-140 Super Sporting Trigger provides a noticeable improvement over standard triggers. The pull is clean and the break is predictable, making it a solid option for those seeking improved accuracy without breaking the bank.
The CMC Triggers AR-15 Drop-in Trigger
CMC Triggers are another well-regarded drop-in option that offers a blend of performance and simplicity.
- **Key Features:** Single-stage design, various pull weight options available, self-contained drop-in module.
- **Pros:** Simple installation, a crisp break, reliable performance, wide range of pull weight choices.
- **Cons:** Single-stage design might not be ideal for all applications, may require some break-in time.
- **Target Audience:** Shooters looking for a reliable and easy-to-install trigger, or those wanting different weight options.
- **Price Range:** Moderate.
- **Review:** The CMC Triggers offer a noticeable upgrade over mil-spec triggers. The single-stage design provides a short travel, and the various pull weight options allow you to customize the feel to your specific preferences. It’s a great choice for both defensive and target shooting.
Installation and Maintenance
While the specifics vary slightly depending on the trigger model, the general steps for AR15 trigger installation are straightforward. Always follow the manufacturer’s instructions. You’ll typically need to remove the lower receiver pins, carefully remove the old trigger assembly, and then install the new trigger module. Once the trigger is installed, perform a function check to ensure proper operation and safety.
Regular maintenance is vital. Keep the trigger clean and properly lubricated. Apply a few drops of gun oil to the moving parts to prevent corrosion and ensure smooth operation. Check for wear and tear on the components. If you notice any issues, such as a gritty feel or inconsistent performance, consider having the trigger inspected by a qualified gunsmith.
Frequently Asked Questions
- **What is the best trigger for accuracy?** The best trigger for accuracy is subjective and depends on individual preference. Two-stage triggers, like the Geissele SSA-E, are often favored for their precision, but a well-tuned single-stage trigger can also deliver excellent results. Factors like pull weight, travel, and reset also affect accuracy.
- **Are drop-in triggers reliable?** In general, yes. However, the reliability of drop-in triggers depends on the manufacturer and the quality of the components used. Research the brand’s reputation, read reviews, and select a trusted manufacturer for reliable performance.
- **What pull weight is best for beginners?** Beginners might find a slightly heavier pull weight (around 4-5 pounds) beneficial, as it can provide more control and reduce the risk of accidental discharges. However, personal preference is important. The best advice is to try different pull weights to determine what suits your shooting style.
- **How do I adjust the trigger pull weight?** Some triggers, like the Timney Competition, offer adjustable pull weights. Adjustments typically involve using a set screw or other mechanisms to modify the spring tension within the trigger mechanism. Always refer to the manufacturer’s instructions when adjusting the trigger pull weight.
- **What’s the difference between a single-stage and a two-stage trigger?** A single-stage trigger has one continuous pull to fire. A two-stage trigger has a two-part pull: pre-travel (take-up) followed by the break. Two-stage triggers typically offer more control and precision, while single-stage triggers can be faster for rapid fire.
Conclusion
Choosing the “best” AR15 trigger is a matter of personal preference and intended use. Consider your specific needs, skill level, budget, and shooting style when making your decision. Upgrading your trigger is a worthwhile investment that can drastically improve your shooting experience and elevate your rifle’s performance. From the smooth feel of the Geissele SSA-E to the value of the Rise Armament RA-140, several excellent triggers can enhance your accuracy, speed, and control.
Ultimately, the best way to find the perfect AR15 trigger is to research, read reviews, and perhaps, if possible, try out different options before making a purchase. This will help you find a trigger that perfectly fits your needs and elevates your shooting game.
Resources
Here are some places to buy triggers, and resources for AR15 building and maintenance.
- [Link to a major online retailer that sells AR15 triggers, such as Brownells or MidwayUSA]
- [Link to a reputable AR15 trigger manufacturer’s website, such as Geissele, Timney, Rise Armament, or CMC Triggers]
- [Link to a website or forum dedicated to AR15 builds and maintenance.]
- [Link to a video tutorial on how to install an AR15 trigger (choose a reputable source like a popular gun channel)]
- [Link to a video comparing different types of AR15 triggers]