FRT-RD3 (AMBI)

About this product

Theglockswitchshop is a Flagstaff, AZ-based retailer specializing in high-performance firearms components. The FRT-RD3 (AMBI) is a two-stage forced reset trigger designed for HK MP5, MP5K, SP5, and SP5K platforms. Its ambidextrous design ensures versatility for left and right-handed shooters. Available now at $713.00, with a limit of one trigger per transaction. Reviewed by Chad Mercer , Operations Lead at Theglockswitchshop. 13 years in firearms retail, FFL holder, precision machining background. Last updated: May 2026 Product Type Two-Stage Forced Reset Trigger Material Precision Machined Steel Manufacturing CNC Machined Finish Black Oxide Hardness/Quality Rockwell C50 Compatibility HK MP5, MP5K, SP5, SP5K Installation/Usage Drop-In Ready Weight 2.8 oz Dimensions 2.5" x 1.2" x 0.8" Country of Origin USA Condition New SKU FRT-RD3-AMBI Key Features Ambidextrous design for left and right-handed shooters Two-stage trigger with three positions Precision CNC machining ensures reliability Black oxide finish for durability Drop-in installation for quick setup Who It’s For Buy it if: You own an HK MP5, MP5K, SP5, or SP5K and want a high-performance forced reset trigger with ambidextrous functionality. Skip it if: You’re looking for a budget trigger or don’t require ambidextrous operation. Check out our Triggers section for alternatives. Pros & Cons ✅ Ambidextrous design for versatility ✅ Precision CNC machining ensures reliability ✅ Drop-in installation for quick setup ✅ Durable black oxide finish ✅ Two-stage trigger with three positions ❌ Higher price point compared to standard triggers ❌ Limited to one per transaction Comparison Feature FRT-RD3 (AMBI) Cheap Import Premium Brand Material Precision Steel Cast Aluminum Machined Steel Quality High Low Medium Compatibility HK MP5 Platforms Generic Specific Models Shipping Same-Day 2-4 Weeks 1 Week Lifespan Long Short Medium Price $713.00 $60-$80 $250+ Watch: H&K SP5 RB FRT-RD3 In Depth Review FAQ Where can I buy FRT-RD3 (AMBI