AR Super Safety D2 Curved Kit

$149.99

The AR Super Safety is an active safety system that assists in resetting your semi-automatic trigger to allow for more efficient follow-up shots. This version of the AR Super Safety also includes a “passive” position that deactivates the assisted reset, for when slow, high-precision shots are preferred. Each component is CNC-machined from high-quality tool steel, heat-treated, and DLC-coated for maximum longevity and performance.

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Required Components: M16 Pattern BCG, Low Shelf or M16 Cut Lower (Machining services are available for those with High Shelf and Colt lowers), Dead-Blow Buffer Weight (exact weight will depend on the caliber, barrel length, gas system, and if a silencer is used or not).

 

Note: It has been found that firearms with a barrel length shorter than 10.3in have had reliability issues when running the AR-SS kit. We recommend installing the parts on a firearm with a barrel length of at least 10.3in to maximize reliability. We cannot guarantee perfect function on barrels shorter than 10.3in.

 

Parts included: Replacement Milspec Curved Trigger, Safety Cam, Safety Lever, and Rounded Detent.

6 in stock (can be backordered)

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Description

The AR Super Safety D2 Curved Kit is a precision-engineered safety and trigger enhancement for shooters who want increased control, consistent performance, and faster follow-up shots. This system integrates an active assisted-reset mechanism that helps return the trigger forward after each shot, improving shot-to-shot efficiency for semi-automatic AR-pattern rifles.

For shooters who prefer more refined, slower, and highly precise fire, this model of the AR Super Safety trigger includes a dedicated passive mode that disables the assisted reset. This dual-mode design makes the D2 Curved Kit a versatile upgrade for tactical, recreational, and training-focused AR users seeking improved trigger responsiveness and consistency.

Every component in the kit is CNC-machined from premium tool steel, heat-treated, and finished with a durable DLC coating, ensuring long service life, smooth operation, and enhanced resistance to wear under high-use conditions.

Key Features & Performance Benefits

Enhanced Trigger Reset for Increased Efficiency

The AR Super Safety’s active reset assistance helps return the trigger forward after each shot, allowing for quicker, more controlled follow-up shots. This system is ideal for shooters who want:

  • A smoother firing rhythm
  • Less trigger fatigue
  • Improved split times
  • Better consistency during rapid engagement

The system’s design ensures that the trigger maintains predictable movement and dependable performance in a variety of shooting settings.

Dual-Mode Function: Active & Passive Operation

Unlike earlier models, the D2 Curved Kit introduces a selectable passive mode. This feature allows shooters to switch off the assisted-reset function when a more traditional or precision-focused trigger feel is desired.
This dual configuration provides flexibility for:

  • Target shooting
  • Precision marksmanship
  • Controlled slow-fire drills
  • Tactical scenarios requiring different trigger styles

High-Strength Tool Steel Construction

Each component is manufactured using high-grade tool steel and advanced CNC machining. Components are then heat-treated and DLC-coated to increase:

  • Surface hardness
  • Corrosion resistance
  • Lubricity
  • Overall long-term durability

This ensures the system withstands high-volume firing and remains smooth and dependable over time.

Required Components & Compatibility

For best results and safe function, the AR Super Safety D2 Curved Kit requires the following compatible components:

  • M16-pattern BCG (bolt carrier group)
  • Low-shelf or M16-cut lower receiver
    • Machining services are available for high-shelf and Colt-pattern lowers.
  • Dead-blow buffer weight
    • The ideal weight varies depending on caliber, barrel length, gas system configuration, and whether a suppressor is used.

Barrel Length Recommendations

Testing has shown that firearms equipped with barrels shorter than 10.3 inches may experience reduced reliability when using the AR-SS system.
To ensure consistent operation and maximum reliability, we recommend installation on AR platforms with:

  • 10.3-inch barrels or longer
  • Properly tuned gas systems
  • Compatible buffer weights

Performance cannot be guaranteed on platforms below the recommended barrel length.

What’s Included in the Kit

The AR Super Safety D2 Curved Kit includes:

  • CNC-machined Milspec Curved Trigger
  • Safety Cam assembly
  • Safety Lever
  • Rounded Detent

Each part is engineered and finished for smooth engagement, reliable cycling, and long-term stability.

Educational Insights: Understanding Assisted Trigger Reset Systems

The AR Super Safety D2 is designed for shooters who want more control over their trigger system. Here’s how it differs from standard triggers:

What Is Assisted Trigger Reset?

An assisted reset uses mechanical force to help the trigger move forward after firing. This reduces the amount of force your finger must apply to reset the trigger, resulting in:

  • Quicker trigger engagement
  • More controlled shot cycles
  • Reduced shooter fatigue during extended sessions

Why Barrel Length Matters

Short-barreled ARs often operate with increased gas pressure and faster cycling. When combining these variables with an assisted-reset system, timing inconsistencies can occur. Maintaining a minimum 10.3-inch barrel ensures proper function and reliability across various shooting conditions.

What Makes DLC Coating Important?

DLC (Diamond-Like Carbon) coating provides:

  • Reduced friction
  • Improved corrosion protection
  • Longer component life
  • Smoother movement under stress

This makes it an ideal finish for components that experience repetitive mechanical motion, such as triggers and safeties.

Ideal For

  • AR platform enthusiasts
  • Tactical and training-focused shooters
  • Those who want improved performance without sacrificing precision
  • Users who appreciate dual-mode trigger flexibility

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