HK MP5 .22LR | FRT (PET-CF)

$17.50

Availability: 19 in stock

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NO SALES TO CALIFORNIA! NO SALES OF FRTs OR FIRE RATE MODIFYING DEVICES TO CT, DC, DE, FL, HI, IL, MA, MD, MN, NJ, NV, NY, OR, RI, WA OR ANY OTHER RESTRICTED JURISDICTION NOT MENTIONED HERE. ORDERS TO BANNED STATES WILL BE CANCELLED & REFUNDED ACCORDING TO THE TERMS & CONDITIONS OF THIS SITE.

NO SALES TO CA, CT, DC, DE, FL, HI, IL, MA, MD, MN, NJ, NV, NY, OR, RI, WA OR ANY OTHER RESTRICTED JURISDICTION NOT MENTIONED HERE. ORDERS TO BANNED STATES WILL BE CANCELLED & REFUNDED ACCORDING TO THE TERMS & CONDITIONS HERE.

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HK MP5 .22LR | FRT (PET-CF)


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

  • (1x) HK MP5 .22LR FRT — PET-CF (Carbon Fiber Reinforced)

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 5 PACK

Looking for a long-term solution?
Check out the 316 Stainless Steel version here.

👉 HK MP5 22LR STEEL FRT SINGLE

👉HK MP5 22LR STEEL FRT 2 PACK