AR-15, M16 & M4 Parts and Accessories

Finding the right trigger depends on knowing what you like and don’t like in an AR trigger. Depending on the answer to these questions and more, your choice of aftermarket trigger will change. There are a couple of ways to go about choosing an aftermarket AR trigger. We’ve discussed some of the different trigger types available today.

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As an AR trigger can change slightly over time and wear, it’s a logical thought to wonder whether there’s an “expiration date” for your drop-in AR trigger. However, the geometry of the sear surfaces ensures there will always be a secure, repeatable engagement between the hammer and trigger. The shooter again applies pressure to the trigger blade, starting the process all over again. As the AR–15 bolt cycles rearward to eject a spent cartridge and pick up a new cartridge from the magazine, it also pushes the hammer back down into the lower receiver. Once the trigger sear clears the hammer sear, the hammer, under spring tension, gets driven upward toward the firing pin. As the rear of the trigger travels upward, the sear surface at the front slides across the engagement surface located on the hammer.

Not only is this our most popular drop-in trigger on the site, but the RA-140 has hundreds of 5 star reviews across the internet. Rise Armament RA-140 Drop-In Trigger – This is considered by many to be the best bang-for-your-buck trigger on the market. This crisp, clean trigger is an instant upgrade to a stock trigger. The Swingfast hammer head provides a more accurate experience. This is why they are great options when it comes to accuracy-drive pursuits, such as competition shooting.

Bootleg Adjustable Carrier – Best Adjustable BCG

If, for whatever reason, shooters decide to not go through with their shot, slackening their trigger finger brings the pull right back through the first stage. Lightweight, single-stage triggers are the gold standard when it comes to competition and are what many shooters prefer. As the AR platform grew in popularity and shooters adapted the rifle for a variety of roles, it became clear that shooters needed different triggers to optimize the rifle for different roles. FRT-triggers are classified as a “prohibited device” under the Criminal Code if they are designed or adapted to be capable of increasing the rate of fire of a semi-automatic firearm. Two-stage triggers require a second pull range to fire the weapon. You will usually see anywhere from 3-4 pound pull weights on single-stage triggers.

• Depending on use, trigger pull weight can vary in single-stage designs.
• Between the Nanoweapon coating and Stressproof bolt, Geissele’s ERBCG has proven itself to be one of the best in the business.
• Many flat blade triggers are used in competition arenas as they are useful in speed.
• It also features a 9310 steel bolt, which is pretty standard for lightweight builds.
• Geissele is known for its excellent rifles, especially the Super Duty line.

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Typically, single-stage triggers have a lighter pull weight. Single-stage triggers are the most common triggers to come across and are used in many other firearms across the world. Used by competition shooters, law enforcement, and more, RISE’s triggers are the most trusted options in the industry.