Rare Breed FRT 15 E3 Trigger

Description

The Rare Breed FRT 15 E3 Trigger redefines trigger reset mechanics with a patented design that reduces lock time and improves shot-to-shot consistency on AR-15 platforms. This isn’t just another drop-in trigger—it’s a purpose-built system for shooters who demand mechanical precision.

What you get

• Three operational modes: Safe, Semi, and Hard Reset for controlled rapid fire
• Patented forced reset mechanism reduces trigger reset distance by 70% compared to mil-spec designs
• Tool-steel internals with anti-wear coatings rated for 50,000+ cycles
• Precision-machined aluminum housing with Type III hardcoat anodizing
• Includes anti-walk pins and installation tool
• Made in the USA with full technical support from Rare Breed Triggers

Build and finish

The FRT 15 E3 starts with CNC-machined 4140 chromoly steel components hardened to 50-52 HRC, then receives a proprietary nitride treatment that reduces friction at critical contact points. Unlike cast or MIM triggers, every engagement surface is ground to ±0.0005″ tolerances after heat treatment.

The aluminum housing isn’t just a cosmetic shell—it’s a structural component that maintains sear alignment under rapid fire. The Type III anodizing provides better corrosion resistance than typical Type II finishes, while the matte black surface reduces glare in tactical environments. All springs are chrome silicon rather than music wire for consistent tension across temperature extremes.

Compatible platforms

• AR-15/M16 pattern rifles (civilian legal configurations only)
• Compatible with most mil-spec and commercial lower receivers
• Requires standard .154″ hammer and trigger pin holes
• Not compatible with polymer lowers or proprietary trigger systems

Installation notes

This is a drop-in unit requiring basic armorer’s tools—no gunsmithing needed. The included anti-walk pins eliminate the need for staking, and the housing’s set screws allow for fine-tuning engagement without shims. Rare Breed provides detailed torque specs for optimal performance (12-15 in/lbs on housing screws).

For AR-15 builders who measure performance in split-second improvements, the FRT 15 E3 delivers measurable advantages where it counts. Oregon Arms stocks these triggers because they meet the same no-nonsense standards we apply to all our inventory—proven designs, uncompromising materials, and real-world reliability.