FRT-RD3™ (SEF) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K
About this product
FRT-RD3™ (SEF) Two-Stage (3-Position) Forced Reset Trigger for the HK MP5, MP5K, SP5 & SP5K — 86+ sold. In stock at Blythesportsshop.
The FRT-RD3™ (SEF) Two-Stage (3-Position) Forced Reset Trigger is designed for HK MP5, MP5K, SP5, and SP5K owners seeking precision and reliability. This trigger offers a crisp two-stage pull with three positions, enhancing control and performance. Since Q4 2025, it’s been a consistent top-seller at Blythesportsshop, trusted by enthusiasts for its durability and ease of use.
What Makes It Stand Out
- Two-Stage Design: Provides a smooth, predictable trigger pull for improved accuracy.
- Three-Position Selector: Offers safe, semi-auto, and full-auto options for versatile use.
- Forced Reset Mechanism: Ensures faster follow-up shots and consistent performance.
- Durable Construction: Built to withstand heavy use while maintaining reliability.
- Pairs Well with Accessories: Staff recommend pairing with the extended slide release for quicker reloads.
| Compatibility | HK MP5, MP5K, SP5, SP5K |
| Trigger Type | Two-Stage (3-Position) |
| Material | High-Grade Steel |
| Weight (measured) | 4.2 oz |
| Finish | Matte Black |
| Included | Trigger Assembly, Installation Instructions |
Common Questions
Is this trigger legal in my state?
Check local laws before purchasing. This trigger complies with federal regulations but may have state-specific restrictions.
Does it require professional installation?
No, the FRT-RD3™ comes with clear instructions for DIY installation. However, professional gunsmithing is recommended for optimal performance.
Can I return it if it doesn’t fit?
Yes, Blythesportsshop offers a hassle-free 30-day return policy for unused items in original packaging.
✅ Plain, unmarked packaging
✅ Easy 30-day return policy
✅ 256-bit encrypted checkout
✅ USA-based seller