Geissele Automatics doesn’t just manufacture firearm components—they engineer the benchmark for performance. Whether on the competition line, in service to a nation, or on the civilian range, Geissele delivers uncompromising reliability and mechanical superiority. Geissele Automatic Rifles bring quality and security in every shot.
From humble beginnings to becoming a cornerstone of military-grade firearm technology, Geissele has always pursued one mission: excellence in every pull of the trigger.
The Legacy Begins: Precision Triggers That Transformed the Industry
Founded in 2004 by mechanical engineer Bill Geissele, the company began with a singular focus—creating a better trigger for the AR platform. That vision gave rise to the Hi-Speed National Match Trigger, which quickly earned accolades among competition shooters for its crisp, clean break and durability.
As demand grew beyond sport shooting, Geissele expanded into military-ready systems with the launch of the SSA (Super Semi-Automatic) and SSA-E (Enhanced) triggers—delivering:
- Smooth, consistent two-stage performance
- Minimal creep with a strong, tactile wall
- Exceptional performance in battlefield environments
- Zero slap, grit, or hesitation
This evolution attracted elite military units, including SOCOM, USASOC, and Tier 1 teams, leading to Geissele’s official adoption by the U.S. government.
ALG Defense: Affordable Innovation Without Compromise
To serve broader markets without diluting its core brand, Geissele launched ALG Defense in 2012, led by Amy Geissele. ALG offered:
- Budget-friendly rails and trigger systems
- Simplified versions of Geissele’s renowned triggers
- Unmatched mil-spec performance at entry-level prices
Popular products like the ALG ACT trigger and AKT-E for AK platforms earned cult status, ensuring Geissele’s commitment to quality reached enthusiasts across the spectrum.
Complete Rifle Systems: Where Engineering Meets Execution
Geissele’s mastery of internal components naturally progressed into full rifle builds. The result? Fully integrated weapon systems renowned for performance, precision, and rugged endurance.
Every Geissele Automatic Rifles is:
- Built in-house by certified armorers
- Test-fired for accuracy and reliability
- Assembled with Geissele rails, triggers, BCGs, and charging handles
- Crafted to the tightest tolerances with no corners cut
These rifles aren’t “assembled”—they’re engineered from the ground up.
Reliability Enhanced BCG (REBCG) and Nanoweapon Coating
The REBCG isn’t just a drop-in upgrade—it’s a comprehensive rethinking of what a bolt carrier group should be. Forged from S7 tool steel for maximum resilience, its key benefits include:
- Optimal grain alignment through forging for superior strength
- Lobed gas rings for tighter sealing and reduced wear
- Enhanced cam path for longevity under high round counts
- Advanced extractor claw for better case hold, even in suppressed conditions
This bolt system is designed for one thing: battlefield dominance.
Nanoweapon Coating, a government-collaborated breakthrough, ensures:
- Low friction under high heat
- Minimal carbon fouling
- Extreme wear resistance
- Finish longevity in full-auto suppressed roles
Whether on triggers, mounts, or BCGs, this coating is your visual cue for ultra-durable performance.
The URG-I Platform and Geissele’s Defense Credentials
A major milestone was Geissele’s adoption in the URG-I (Upper Receiver Group – Improved) program for U.S. Army Special Forces. This upgrade features:
- MK16 Super Modular Rail
- SSA/SSA-E Trigger System
- Airborne Charging Handle
- Mid-Length Gas System for softer recoil
- Optimized accuracy under sustained fire
Now standard issue across select SOCOM units, the URG-I sets the bar for M4 modernization.
Made in the USA. Trusted Worldwide.
Geissele Automatics operates from its North Wales, Pennsylvania facility, producing everything from small parts to fully battle-ready rifles. Their Super Duty series—featuring both AR-15 and AR-10 platforms—reflects the company’s full integration and control over quality.
Geissele serves:
- Civilians looking for top-tier reliability
- Law enforcement agencies seeking dependability
- Military units requiring uncompromising performance
If a component wears the Geissele stamp, it’s a promise: engineered with precision, tested for extremes, and trusted where failure is not an option.
Why Geissele? Because Mission Failure is Not an Option
While others build for price or popularity, Geissele builds for mission success. From competition to combat, their products prove one thing: performance without compromise.
Geissele doesn’t just engineer rifle systems.
They engineer trust.