Description
The AK Super Safety is an active cam trigger reset system designed to improve trigger performance on AKM-pattern rifles. Built around an open-source design by S3igu2 and team, it interfaces with the trigger and bolt carrier group to deliver faster reset, improved follow-up shot speed, and more consistent shot-to-shot control, with no electronics and no permanent receiver modifications.
What Is the AK Super Safety?
The AK Super Safety is a mechanical trigger reset assist system for AKM-pattern.
It is classified as an AK-FRS trigger system, a forced or assisted reset design that works alongside your existing trigger rather than replacing it entirely. The system is derived from the original AK Super Safety design and refined by S3igu2 and team to improve reset efficiency and mechanical reliability.
The AK Super Safety is intended for AKM-pattern rifles and is best suited for builders and shooters who want to improve AK trigger performance without replacing the entire trigger group.
How the Active Cam System Works
Interaction With the Trigger and BCG
The active cam trigger system works by mechanically engaging the trigger during the bolt carrier group’s rearward cycle. As the BCG travels rearward during firing, the cam rotates and pushes the trigger forward. Completing the reset without requiring the shooter to fully release the trigger to its forward rest position.
The result is a shorter, more consistent AK trigger reset that reduces split times between shots. The trip bar coordinates the cam’s interaction with the trigger and BCG to ensure reset occurs at the correct point in the firing cycle.
Included Components
The AK Super Safety kit includes all components needed for installation:
- Cam: The primary active mechanism that drives the trigger reset
- Trip bar: Coordinates BCG interaction with the cam
- Trigger jig: Assists with fitting during installation
- Half-size pin retainer: Ensures secure component retention in the receiver
Open-Source Development Background
The AK Super Safety is derived from the original open-source AK Super Safety design and represents a focused engineering refinement by S3igu2 and the development team. The design goal was to improve the efficiency and reliability of AK trigger reset assist without introducing complex or failure-prone components.
The open-source origin of this design means the community has had significant input in its development, and ongoing refinements have been informed by real-world builder feedback.
AK-FRS Receiver Compatibility Guide
AKM-Pattern AKs — 1.0mm Receivers
Standard AKM-pattern rifles with 1.0mm stamped receivers are the primary intended platform for the AK Super Safety. Fit is consistent across most AKM builds, and no receiver modification is required. This is the configuration with the highest success rate and most predictable installation results.
AK 1.5mm Receivers
Rifles built on AK 1.5mm receivers, including Zastava ZPAP variants and RPK-pattern builds, require modification for the AK Super Safety to function correctly. The thicker receiver wall changes the internal geometry in ways that affect cam and trip bar positioning.
Note: 1.5mm receiver builds require fitting work. Results vary by individual rifle. Review the instructional videos before attempting installation on these platforms.
Milled Receiver and 100-Series AKs
Milled receiver AKs and 100-series variants present the most variability. Milled receiver geometry differs meaningfully from stamped AKM dimensions, and the AK Super Safety requires hand-fitting in these builds with no guaranteed result. These platforms are not recommended for first-time installations of the AK-FRS system.
Supported and Unsupported AK Triggers
Supported Triggers
The AK Super Safety has been validated for use with the following trigger groups:
- FIME Group triggers confirmed fitment and function
- ALG triggers confirmed fitment and function
See the FIME Group and ALG trigger product listings for compatible models. These triggers are recommended for optimal AK-FRS system performance.
Unsupported Triggers
All other trigger brands are currently unsupported. Using the AK Super Safety with unsupported triggers may result in fitment failure, inconsistent reset behavior, or function issues.
Note: Using this system with triggers outside the FIME Group is not recommended. Compatibility has not been tested or validated for other brands, and installation results cannot be guaranteed.
Why Choose the AK-FRS System?
The AK Super Safety delivers measurable improvements to trigger performance in a purely mechanical, durable package. Key benefits include:
- Faster trigger reset shorter reset distance reduces split time between shots
- Improved shot-to-shot consistency cam system produces repeatable reset geometry
- Better control during rapid fire reduced follow-through demand improves accuracy under speed
- Mechanical system no electronics, batteries, or complex failure points
- Built for durability steel components designed for long-term cycling loads
For AK owners pursuing meaningful AKM trigger enhancement without replacing the entire fire control group, the AK Super Safety offers a practical, engineered solution.
Installation Requirements and Responsibility
Installing the AK Super Safety requires moderate mechanical skill and familiarity with AK fire control group components. The system is not a simple drop-in for all builds, particularly on AK 1.5mm receivers and milled receiver platforms, where fitting work is required.
- Review all available instructional videos before starting. See the AK-FRS installation guide.
- Confirm your receiver type and trigger brand compatibility before purchasing.
- Install the trigger jig during fitting to ensure correct cam and trip bar positioning.
- Function-check all components thoroughly before live fire.
Compatibility with your specific rifle is not guaranteed. The user accepts full responsibility for correct installation, safe function verification, and legal compliance in their jurisdiction. If you are unfamiliar with AK fire control group work, consult a qualified gunsmith or review the instructional video series before proceeding.
Note: This system requires correct fitting. Improper installation may result in malfunctions. Always perform a complete function check before live fire. Seek professional assistance if you are uncertain at any stage.
Specifications
Frequently Asked Questions
Will the AK Super Safety work on my AK?
The AK Super Safety is designed primarily for AKM-pattern rifles with standard 1.0mm stamped receivers. If your rifle uses a 1.5mm receiver (such as a Zastava ZPAP) or a milled receiver, compatibility is not guaranteed and modification or hand-fitting may be required. Check your receiver type and trigger brand before purchasing.
What if I have a 1.5mm receiver?
The AK Super Safety can be installed on 1.5mm receiver builds, but it requires modification and results vary by rifle. The thicker receiver wall affects internal cam and trip bar geometry. Review the instructional videos specific to 1.5mm receiver installation before proceeding, and be prepared for fitting work.
Which triggers work best with the AK-FRS system?
The AK Super Safety is validated for FIME Group triggers only. These are the two trigger families confirmed to provide correct fitment and reliable function with the active cam system. All other trigger brands are unsupported and may produce inconsistent or unreliable results.
What comes in the AK Super Safety kit?
The kit includes four components: the active cam, the trip bar, a trigger jig for installation assistance, and a half-size pin retainer. All components needed for a standard AKM-pattern installation are included in the kit.
Do I need a gunsmith to install the AK Super Safety?
A gunsmith is not required for AKM-pattern builds with 1.0mm receivers if you have moderate AK fire control group experience. However, for 1.5mm receivers, milled receivers, or if you are unfamiliar with AK internals, professional installation or expert gunsmith services, or at minimum a thorough review of the instructional video series is strongly recommended.










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