FRT-RD3 (SEF)

About this product

Glockswitchpro is a Cedar City, UT-based retailer specializing in tactical firearms accessories. The FRT-RD3 (SEF) is a two-stage forced reset trigger designed for HK MP5, MP5K, SP5, and SP5K platforms. Its precision engineering ensures reliable performance under demanding conditions. Available now for $707.25, with limited availability due to high demand. Reviewed by Nate Sullivan , Product Manager at Glockswitchpro. 11 years sourcing and testing tactical accessories, former military. Last updated: May 2026 Specifications Product Type Forced Reset Trigger Material High-strength steel Manufacturing CNC precision machining Finish Black nitride Hardness/Quality 58-60 HRC Compatibility HK MP5, MP5K, SP5, SP5K Installation/Usage Drop-in installation Weight 2.8 oz Dimensions 1.5 x 0.8 x 0.5 inches Country of Origin USA Condition New SKU FRT-RD3-SEF Key Features Two-stage forced reset mechanism for enhanced control Three-position selector for versatile operation Compatible with HK MP5 series firearms CNC-machined from high-strength steel Black nitride finish for durability and corrosion resistance Who It’s For Buy it if: You own an HK MP5, MP5K, SP5, or SP5K and want a reliable, precision-engineered forced reset trigger. This product is ideal for competitive shooters, tactical enthusiasts, and collectors who demand top-tier performance. Skip it if: You’re looking for a budget-friendly option or need compatibility with non-HK platforms. Check out our Triggers category for alternatives. Pros & Cons ✅ Precision CNC machining for consistent performance ✅ Two-stage design enhances shooting control ✅ Compatible with popular HK MP5 platforms ✅ Durable black nitride finish ✅ Made in the USA ❌ Higher price point compared to generic triggers ❌ Limited compatibility with non-HK firearms Comparison Feature FRT-RD3 (SEF) Generic Import Trigger Premium Brand Trigger Material High-strength steel Cast alloy Tool steel Quality CNC precision Variable High Compatibility HK MP5 series Univer