Learn More about AR-15 Triggers
What Does an AR-15 Trigger Do?
The AR-15 trigger is a critical component in the rifle’s firing mechanism. Its primary function is to release the hammer when pulled, striking the firing pin to ignite the primer and fire the cartridge. While this seems simple, the trigger’s performance directly impacts the rifle's reliability, accuracy, and overall shooting experience.
In an AR-15, the trigger consists of several interconnected parts, including the trigger itself, the hammer, and the disconnector. Together, they create a smooth cycle of firing, resetting, and firing again. The quality of the trigger affects pull weight, travel distance, reset feel, and overall responsiveness—key factors for different shooting applications like competitive shooting, hunting, or self-defense.
What Trigger Is Best for an AR-15?
Choosing the best AR-15 trigger depends on your intended use and personal preference. A mil-spec (military specification) trigger may suffice for general-purpose rifles, offering durability and reliability. These triggers are basic but functional, with a pull weight ranging between 5.5 and 9 pounds.
For more specialized uses, custom or aftermarket triggers provide significant advantages. Competitive shooters may prefer single-stage triggers with a light pull weight for rapid, precise shots. At the same time, hunters or tactical users might choose two-stage triggers that offer a more deliberate and controlled firing experience. Triggers like the Geissele SSA-E or Timney AR-15 triggers are popular for their exceptional quality and tailored performance.
Mil-Spec vs. Custom Triggers
Mil-spec AR-15 triggers are standard in most factory rifles and provide a simple, reliable solution. They are designed to meet military standards, ensuring consistent function in harsh environments. While robust, these triggers often have heavier pull weights and less refined performance than their custom counterparts.
Custom AR-15 triggers, on the other hand, offer enhancements in pull weight, smoothness, and reset. Single-stage triggers provide a crisp, predictable break with no noticeable slack, which is ideal for fast, precise shooting. Two-stage triggers introduce a light initial take-up and a clean break, giving shooters greater control. Adjustable triggers allow users to fine-tune pull weight and travel to suit their preferences.
The choice between mil-spec and custom triggers often comes down to budget and intended use. While mil-spec triggers are cost-effective and reliable, custom triggers unlock the rifle’s full potential for specialized applications.
Practical Uses for Various Triggers
Different AR-15 triggers are tailored for specific scenarios, making choosing one that fits your shooting style essential.
Competitive Shooting: A single-stage custom trigger with a light pull weight can significantly improve speed and accuracy during fast-paced matches.
Hunting: Two-stage triggers are popular among hunters because they allow for controlled take-up and precise breaks, which help ensure clean shots on game.
Self-Defense: A mil-spec trigger or a reliable two-stage trigger with a moderate pull weight is ideal for defensive situations, balancing safety and performance.
Plinking or Recreational Shooting: A basic mil-spec trigger provides dependable function without added cost.
Long-Range Shooting: Precision shooters benefit from triggers with minimal travel and a crisp break, helping achieve tight groups at extended distances.
Are Upgraded AR-15 Triggers Worth It?
Upgrading your AR-15 trigger can be one of the most impactful enhancements for your rifle. A quality trigger upgrade improves pull weight, reduces travel, and enhances reset, directly translating to better accuracy and faster follow-up shots. An aftermarket trigger is a worthwhile investment for shooters who demand peak performance.
Custom triggers also improve the overall shooting experience by providing a consistent and smooth feel. This can be especially important for competitive shooters, hunters, and anyone who relies on their rifle for critical tasks. While the upfront cost of a custom trigger may seem high, the enhanced performance and reliability often justify the expense.
That said, casual shooters or those on a tight budget may find that a well-tuned mil-spec trigger meets their needs without requiring an upgrade.