Glockmod is a Rockford, IL-based retailer specializing in firearms accessories and precision components. The FRT-RD3 (AMBI) is a two-stage (3-position) forced reset trigger designed specifically for the HK MP5, MP5K, SP5, and SP5K. Known for its ambidextrous functionality, this trigger offers enhanced control and performance. Available now for $713.00, with a strict limit of one trigger per transaction.
Reviewed by Chad Mercer, Operations Lead at Glockmod. 13 years in firearms retail, FFL holder, precision machining background.
Last updated: May 2026
| Product Type | Forced Reset Trigger |
|---|---|
| Material | High-grade steel |
| Manufacturing | Precision CNC machining |
| Finish | Matte black |
| Hardness/Quality | Rockwell C50+ |
| Compatibility | HK MP5, MP5K, SP5, SP5K |
| Installation/Usage | Professional installation recommended |
| Weight | 3.2 oz |
| Dimensions | 1.5″ x 0.75″ x 0.5″ |
| Country of Origin | USA |
| Condition | Brand new |
| SKU | FRT-RD3-AMBI |
Key Features
- Two-stage (3-position) forced reset mechanism
- Ambidextrous design for left- or right-handed shooters
- Precision CNC machining for consistent performance
- High-grade steel construction for durability
- Matte black finish for reduced glare
Who It’s For
Buy it if: You own an HK MP5, MP5K, SP5, or SP5K and want a high-performance, ambidextrous trigger. This is ideal for competitive shooters, law enforcement, and firearms enthusiasts who demand precision and reliability.
Skip it if: You’re looking for a budget option or don’t require ambidextrous functionality. Consider our other triggers for more affordable alternatives.
Pros & Cons
- ✅ Ambidextrous design for versatile use
- ✅ Precision CNC machining ensures consistent performance
- ✅ High-grade steel construction for durability
- ✅ Matte black finish reduces glare
- ✅ Compatible with HK MP5, MP5K, SP5, and SP5K
- ❌ Professional installation recommended
- ❌ Higher price point compared to basic triggers
Comparison
| Feature | FRT-RD3 (AMBI) | Cheap Import (~$60) | Premium Brand (~$250) |
|---|---|---|---|
| Material | High-grade steel | Aluminum | Steel |
| Quality | Precision CNC | Cast | CNC |
| Compatibility | HK MP5 Series | Generic | HK MP5 Series |
| Shipping | Same-day | 1-2 weeks | 3-5 days |
| Lifespan | 10,000+ rounds | 1,000 rounds | 5,000 rounds |
| Price | $713.00 | $60.00 | $250.00 |
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FAQ
Where can I buy FRT-RD3 (AMBI) online?
You can purchase the FRT-RD3 (AMBI) directly from Glockmod at glockmod.com.
Is the FRT-RD3 (AMBI) compatible with other firearms?
No, the FRT-RD3 (AMBI) is specifically designed for the HK MP5, MP5K, SP5, and SP5K.
What is the installation process like?
Professional installation is recommended for optimal performance and safety.
What materials are used in the FRT-RD3 (AMBI)?
The FRT-RD3 (AMBI) is made from high-grade steel with a matte black finish.
Is the FRT-RD3 (AMBI) ambidextrous?
Yes, the FRT-RD3 (AMBI) is designed for both left- and right-handed shooters.
What is the expected lifespan of the FRT-RD3 (AMBI)?
The FRT-RD3 (AMBI) is built to last for over 10,000 rounds with proper maintenance.
Is the FRT-RD3 (AMBI) legal in all states?
Please check your local laws and regulations regarding forced reset triggers before purchasing.
✅ In stock — ready to ship today
✅ Same-day shipping from Rockford, IL
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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About this review + “Last updated: May 2026”
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