What is the difference between the ALG ACT and QMS triggers?

The ACT trigger is smoother due to improved coatings and polished contact surfaces. The QMS is a high-quality Mil-Spec trigger with a clean, consistent pull.

Are ALG Triggers drop-in replacements for AR-15 rifles?

Yes. Both the ACT and QMS are drop-in Mil-Spec-compatible triggers that fit standard AR-15, M4, and M16 lower receivers.

Do ALG Triggers include pins and springs?

Yes. Each ALG Trigger kit includes trigger and hammer pins, springs, and installation instructions.

GLG AK Trigger

ALG Trigger – ACT & QMS AR-15 Drop-In Triggers

Name: ALG Trigger
Brand: ALG Defense

**Alg Galil Trigger - Ultimate** $166.32

ALG Trigger – Reliable, Smooth, Mil-Spec AR-15 Triggers

If you're looking to upgrade your AR-15's trigger without breaking the bank, the ALG Trigger lineup delivers unmatched performance and reliability at an exceptional value. Manufactured by ALG Defense, a sister company of Geissele Automatics, these triggers are engineered with duty-ready durability, a smoother pull, and enhanced consistency over standard Mil-Spec triggers.

Whether you’re building a new rifle or improving an issued platform, ALG ACT and QMS triggers are among the most trusted drop-in upgrades in the AR community.

Popular ALG Triggers We Offer

ALG ACT – Advanced Combat Trigger

Hardcoat anodized & nickel-Teflon coated surfaces for reduced friction
Pull weight: 5.5 lbs (nominal) with smoother engagement than standard Mil-Spec
Ideal for duty rifles, tactical builds, or enhanced field reliability

ALG QMS – Quality Mil-Spec Trigger

Mil-Spec geometry and coatings, polished for smoother take-up
Pull weight: ~6.5 lbs
Built for shooters who want military reliability with fewer inconsistencies

Key Features of ALG Triggers

✅ Drop-in Mil-Spec replacement – Compatible with most AR-15, M4, and M16 lower receivers
✅ Made in the USA – Designed and built with quality materials and attention to detail
✅ Smooth, consistent pull – Reduced creep and improved reset over standard triggers
✅ Perfect for training, defense, and duty use
✅ Cost-effective performance – Backed by Geissele-level engineering at a lower price

Applications

Law enforcement rifles
Home defense builds
Training carbines
Duty and patrol rifles
Entry-level or mid-tier custom AR builds

FAQs About ALG Triggers

Q: What’s the difference between the ALG ACT and QMS?
A: The ACT offers smoother engagement due to improved coatings and surfaces, while the QMS is a polished, enhanced Mil-Spec design with consistent trigger pull.

Q: Are ALG triggers compatible with my AR-15?
A: Yes. Both the ACT and QMS are Mil-Spec compatible and fit most AR-15, M4, and M16 lowers using standard fire control group dimensions.

Q: Do ALG Triggers come with pins or springs?
A: Yes. Both trigger kits include the necessary trigger and hammer pins, along with springs and a detailed installation guide.

⭐ Customer Reviews

“One of the best values in AR triggers.”
“I’ve used Geissele in the past, but the ACT is perfect for a work rifle. Smooth, reliable, and affordable.” – James K.

“Perfect for a defensive AR build.”
“The QMS feels way better than a stock trigger. Breaks clean and resets fast. Would buy again.” – Melissa D.

Shop ALG Triggers at Mounts Plus

At Mounts Plus, we carry the full line of ALG Defense Triggers, including the ACT and QMS models. Whether you're building your first rifle or upgrading your department carbine, ALG provides the trigger performance you can trust—at a price that makes sense.

Fast U.S. shipping. Trusted brands. Mil-Spec precision, simplified.

Order your ALG Trigger today and upgrade your AR’s performance.