HK MP5 .22LR | FRT (PET-CF) 5 PACK
PRODUCT DETAILS
Forced reset trigger (FRT) designed specifically for the HK MP5 .22LR platform.
Manufactured from PET-CF (carbon fiber reinforced polyester), offering a strong, lightweight, and heat-resistant solution for consistent performance.
This design allows for a fast, consistent reset while maintaining proper semi-automatic function.
Note: Minor fitting and tuning may be required depending on your specific setup.
WHAT YOU GET
- (5x) HK MP5 .22LR FRT — PET-CF (Carbon Fiber Reinforced)
- Ideal for users running multiple setups, testing different configurations, or refining fitment across multiple builds.
MATERIAL DETAILS
This product is made from PET-CF, a carbon fiber reinforced filament known for:
- High strength-to-weight ratio
- Excellent durability under repeated use
- Increased heat resistance compared to standard polymers
This material is well-suited for functional components requiring strength, stability, and reduced weight.
Provides a strong, lightweight alternative to steel while maintaining functional durability.
CHOOSING THE RIGHT VERSION
PET-CF Version
- Lightweight
- Ideal for testing, experimentation, or multiple setups
- Lower cost entry point
316 Stainless Steel Version
- Maximum durability
- Best for long-term use
- More resistant to wear over time
INSTALLATION NOTES
This is not a drop-in part.
Installation may require:
- Minor fabrication
- Fitment adjustment
- Tuning for reliable function
Basic mechanical experience is strongly recommended.
FITMENT APPROACH (EXAMPLES)
Retention and function will depend on your setup. Common approaches may include:
- Using shim stock to secure the FRT to the trigger bar
- Modifying geometry slightly to allow proper pivot and retention
There is no single required method — fitment will vary depending on your configuration.
IMPORTANT INFORMATION
- Functionality has been verified when properly fitted and installed
- No installation instructions are provided
- No installation assistance is offered
- If assistance is needed, consult a qualified gunsmith
Due to the nature of this product:
- All sales are final
- No refunds will be issued based on installation or functionality issues
ADDITIONAL NOTES
There is limited public documentation available for this platform.
This product is intended for users comfortable with modification and mechanical adjustment.
👉 Read the full breakdown here:
HK MP5 .22LR FRT: How It Works, Fitment, and What to Expect
VIEW MORE
Browse our other HK MP5 22LR FRTs:
👉HK MP5 22LR PET-CF FRT SINGLE
Looking for a long-term solution?
Check out the 316 Stainless Steel version.
