3-Position SEF Selector for the FRT-RD3™ (SEF) – For use with the PTR MP5 Clone

Upgrade your PTR MP5 clone with the Rare Breed Triggers 3-Position SEF Selector for the FRT-RD3™. Engineered for real cycle rate performance on AR-15 platforms, this selector switch delivers precise control with its 4140 steel heat-treated barrel (45 HRC) and anodized 7075 aluminum lever. Built for durability and reliability under rapid fire conditions.

Compatible exclusively with the FRT-RD3™ (SEF) trigger system in PTR MP5 clones. Includes single-sided safety selector, 1/16″ Allen key, and 3/32″ Allen key for installation. Rare Breed Triggers maintains a reputation for precision-engineered components that push mechanical limits while adhering to strict US manufacturing standards.

Optimize your trigger system for maximum performance. Install this selector to complete your high-cycle setup.