M.A.R.C. – Mil-Spec Active Reset (FRT) Conversion

M.A.R.C. – Mil-Spec Active Reset (FRT) Conversion for Retro AR Platforms

The M.A.R.C. (Mil-Spec Active Reset Conversion) is a discreet internal trigger upgrade engineered
specifically for retro AR platforms and clone-correct rifles.

Externally, nothing changes. The firearm retains its original mil-spec appearance, controls,
and ergonomics — making it ideal for traditional and period-correct builds.

Internally, the M.A.R.C. introduces an mil-spec active reset (FRT) system that provides a faster,
more positive reset while preserving the original character of the rifle.

This design allows shooters to gain performance benefits without modern visual cues,
maintaining the integrity of classic and retro platforms.

In Simple Terms

• Looks completely stock
• No external visual changes
• Adds a mil-spec active reset (FRT)
• Traditional selector and control ergonomics retained
• Designed for retro AR and clone-correct builds

Ideal For

• Retro AR platforms
• Clone-correct rifles
• Traditional mil-spec builds
• Shooters who want performance without modern aesthetics

Technical Information

Construction

• Manufactured from 4140 steel and S7 tool steel
• Heat-treated and nitride-finished for durability
• Designed to minimize wear and deformation

Function

• Semi-automatic operation only
• Internal mil-spec active reset system
• Standard selector ergonomics retained

Compatibility

Compatible with many common AR-15 trigger groups, including select single-stage and two-stage triggers.
Some triggers may require minor tuning for optimal performance.

Not all triggers are compatible. Review compatibility notes prior to purchase.

Why We Carry It

At 54Seventeen, we focus on products that enhance function while
preserving the original intent of the firearm.

The M.A.R.C. delivers meaningful performance improvement while remaining visually discreet
and respectful of classic and retro AR platforms.

Important Notice

This product is not compatible with 54Seventeen Victrix lowers.

Buyer is responsible for understanding and complying with all applicable local, state, and federal laws.