At Auto Sears Switch, we focus on providing quality firearm components for builders and enthusiasts. This Rare Breed Triggers selector switch is a direct replacement part specifically designed for the FRT-RD3™ (SEF) trigger group, offering a durable and reliable upgrade. We carry these because they’re built to withstand use and provide consistent function.



Specifications
- Product Name: 3-Position SEF Selector for the FRT-RD3™ (SEF)
- SKU: 3-POS-SELECTOR – FRT15-RD3-SEF
- Material – Selector Barrel: 4140 Steel
- Barrel Heat Treatment: 45 HRC
- Material – Selector Lever: 7075 Aluminum
- Lever Finish: Anodized
- Manufacturing Location: USA
Key Features
- Direct Replacement: Specifically designed as a drop-in replacement for the FRT-RD3™ (SEF).
- Durable Materials: Constructed from 4140 steel and 7075 aluminum for long-term reliability.
- Heat Treated Barrel: The 45 HRC heat treatment on the selector barrel ensures high strength and wear resistance.
- Anodized Lever: The anodized aluminum lever provides corrosion resistance and a clean appearance.
- Made in the USA: Manufactured and assembled entirely in the United States.
What It Fits
This 3-Position SEF Selector is designed exclusively for use with the Rare Breed Triggers FRT-RD3™ (SEF) trigger group. It will not function correctly with other trigger systems. Ensure you are purchasing this component for the correct trigger model to guarantee proper fitment and operation. Compatibility with other brands or models is not guaranteed and is not supported by Auto Sears Switch.
FFL & Compliance
Please be aware that firearm parts are subject to federal, state, and local regulations. It is the buyer’s responsibility to ensure that any parts purchased comply with all applicable laws. Auto Sears Switch complies with all federal firearms regulations and requires appropriate verification for all orders.






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