Firing Bolt | Umarex HDR.50 GEN1/GEN2 / HDR.50-L | Power Increase and Optimization

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Improve the mechanics of your revolver with a precision steel Firing Bolt. This upgrade is fully compatible with Umarex HDR.50 weapons (including the L version) of both generations and ensures smoother operation of the internal mechanism.

  • Premium Craftsmanship: Made of durable steel with a black polished finish that minimizes resistance during firing and extends the weapon's lifespan.
  • Universal Compatibility: Designed as a direct replacement for HDR.50 GEN1, HDR.50-L, and the latest GEN2 version for an immediate increase in reliability.
Availability In stock
Delivery to:
01.05.2026
Delivery options
Code: 0157-2H
19,20 € 15,87 € excl. VAT
Firing Bolt | Umarex HDR.50 GEN1/GEN2 / HDR.50-L | Power Increase and Optimization
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Firing Bolt vč. Tuning Pinu | Umarex HDR.50 GEN1/GEN2 / HDR.50-L | Navýšení a Optimalizace Výkonu
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Steel Firing Bolt – Professional Upgrade for HDR.50

This steel Firing Bolt is an ideal choice for owners of Umarex HDR.50 revolver weapons who require maximum mechanical durability. Unlike factory parts, this bolt is made of solid steel with precision black polishing. The main benefit is the optimization of propellant flow and ensuring perfectly smooth movement within the valve system, leading to more stable performance.

Thanks to the polished surface, friction is significantly reduced, protecting the weapon's internal mechanism from premature wear and increasing cycling reliability. Thanks to precise dimensions, "drop-in" installation is very easy and requires no permanent modifications to your revolver. It is an essential upgrade for anyone who uses their HDR.50 for intensive training or defense.

Technical Parameters:

  • Designed for: Umarex T4E HDR.50, HDR.50-L (all GEN1 and GEN2 versions)
  • Material: High-strength steel
  • Surface Finish: Black polished
  • Package Contents: 1x Firing Bolt
  • Main Benefit: Reduction of internal friction, higher mechanical durability

Frequently Asked Questions (FAQ):

1. Is this part suitable for the HDR.50-L version with laser?
Yes, this Firing Bolt is fully compatible with all HDR.50 versions, including the model with integrated laser and both generations (GEN1 and GEN2).

2. Do I need to change the seal during installation?
It is not necessary; the Firing Bolt is designed to work perfectly with the weapon's original seal. However, we recommend lightly lubricating the seal with silicone grease during mounting.

3. How can I tell the difference from the original?
You will feel a smoother mechanical operation, and thanks to the more durable material, you will avoid firing pin deformations that can appear over time with standard parts.

Additional parameters

Category: T4E HDR.50 / TR.50
EAN: 4262405341119

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