
AR-15 Drop In Trigger – Best Single & Two-Stage Triggers | MSP
AR-15 Drop In Trigger – The Ultimate Upgrade for Speed, Precision & Control
Drop-In Simplicity. Competition-Level Performance.
Upgrading to an AR-15 drop in trigger is one of the fastest, most effective ways to enhance your rifle’s accuracy, responsiveness, and feel. Whether you’re competing, training, or building a custom AR, a drop-in trigger delivers a smooth, crisp break with lightning-fast reset — all without the hassle of piecing together small components.
At Mounts Plus, we carry a carefully selected lineup of AR-15 drop in triggers from the most trusted names in the firearms industry: Geissele, Hiperfire, ELF, TriggerTech, CMC, and Rise Armament. From single-stage to two-stage, curved or flat bow, we’ve got a trigger to match your rifle and your mission.
Why Choose an AR-15 Drop In Trigger?
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✅ Pre-Assembled Convenience – Installs in minutes with no gunsmithing
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✅ Crisp, Consistent Break – Cleaner shot release vs. mil-spec triggers
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✅ Short Reset – Faster follow-up shots and better control
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✅ Lighter Pull Weights – Ranges from 1.5 to 5.5 lbs for all applications
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✅ Safe & Durable – Built-in safeties, anti-walk pins, and heat-treated internals
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✅ Made in the USA – Premium materials, trusted by professionals
Best-Selling AR-15 Drop In Trigger Models
🔧 Geissele SSA-E & Super 3-Gun (S3G)
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Two-stage triggers with ultra-crisp break and clean reset
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SSA-E ideal for precision, S3G tuned for 3-Gun speed
🔧 Hiperfire Hipertouch Series
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Competition-proven triggers with precision hammer geometry
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Adjustable spring sets for tuning pull weight
🔧 TriggerTech Single-Stage Flat & Curved
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Patented zero-creep technology
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3.5–4.0 lb consistent break with short tactile reset
🔧 ELF Match & 3-Gun Drop-In Triggers
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CNC-machined trigger groups with full drop-in enclosure
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Tunable pull weights and ultra-short reset
🔧 CMC, Rise Armament, Velocity Triggers
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Reliable performance for duty, defense, or range use
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Affordable, proven, and ready-to-drop-in
What Makes a Great AR-15 Drop In Trigger?
Feature | Why It Matters |
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Trigger Pull Weight | Affects control, speed, and safety balance |
Single vs Two-Stage | Choose precision or speed depending on your application |
Reset Length | Shorter reset = faster shots and better follow-up control |
Bow Type | Curved or flat face changes finger contact feel |
Installation | True drop-ins install without complex tools or tuning |
Compatibility & Fitment
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✔️ Fits all mil-spec AR-15 lowers
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✔️ Compatible with .223/5.56, .300 BLK, 6.5 Grendel
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✔️ Works with most anti-walk pins and enhanced LPKs
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✔️ Some models available for large pin Colt lowers
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✔️ Drop-in installation with hex screws or anti-rotation hardware
FAQ – AR-15 Drop In Trigger
Q: What is an AR-15 drop in trigger?
A: It’s a complete trigger group pre-assembled in an enclosed housing. Just drop it into your lower receiver and secure it — no small parts to align or tune.
Q: Are drop-in triggers better than standard AR-15 triggers?
Yes — they offer smoother pulls, reduced travel, faster resets, and better accuracy with less effort.
Q: Can I install one myself?
Absolutely. If you can field strip your AR, you can install a drop-in trigger. Most use 2 hex screws or anti-walk pins.
Q: Are drop-in triggers legal everywhere?
Generally yes, but you should always check your local/state laws regarding firearm modifications.
Q: What’s better: single-stage or two-stage?
Single-stage = speed and simplicity. Two-stage = added control for long-range or tactical shooting. Choose based on how you use your AR.
Related Gear & Upgrades
Feel the Difference – One Shot at a Time
A quality AR-15 drop in trigger can instantly transform how your rifle performs. Cleaner pulls, faster follow-ups, and more precise groups — all in a simple, no-hassle upgrade. Whether you're hunting, training, or competing, it's one of the best investments you can make.
Order your AR-15 Drop In Trigger today from Mounts Plus — fast shipping, top-tier brands, and gear you can trust.