Firing Bolt | Umarex HDR.68 | Power Increase and Optimization

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Maximize the mechanical reliability of your large caliber revolver with a precision steel Firing Bolt. This upgrade is specifically designed for the Umarex HDR.68 model to ensure smooth operation of the internal mechanism and optimal gas flow when shooting in .68 caliber.

  • Extreme Durability: Made of solid steel that easily withstands high stress and pressure typical for the HDR.68 model.
  • Smooth Operation: The black polished surface minimizes friction inside the weapon, leading to smoother cycling and a longer lifespan for internal components.
Availability In stock
Delivery to:
01.05.2026
Delivery options
Code: 0191-2H
19,20 € 15,87 € excl. VAT
Firing Bolt | Umarex HDR.68 | Power Increase and Optimization
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Steel Firing Bolt – Professional Upgrade for HDR.68

This standalone steel Firing Bolt represents a top-tier enhancement for every owner of an Umarex HDR.68 weapon. For a revolver of this caliber, enormous emphasis is placed on the strength of internal parts. Our Firing Bolt is made of high-strength steel followed by black polishing, ensuring its uncompromising durability even when using maximum allowed power.

The main benefit is a significant reduction in friction within the weapon's firing mechanism. This ensures not only more consistent performance but also protects the valve system from premature wear. Thanks to precise dimensions, "drop-in" installation (direct replacement) is very easy and requires no irreversible modifications to the revolver. It is an ideal choice for those who use the HDR.68 for intensive training or self-defense purposes.

Technical Parameters:

  • Designed for: Umarex T4E HDR.68 (cal .68)
  • Material: High-strength steel
  • Surface Finish: Black polished
  • Package Contents: 1x Firing Bolt
  • Main Benefit: Increased mechanical durability, smooth mechanism operation

Frequently Asked Questions (FAQ):

1. Is this part necessary for the HDR.68 to function correctly?
The original part works, but the steel version with a polished surface significantly increases reliability and eliminates the risk of firing pin deformation during frequent shooting.

2. Does this part fit other models?
No, this Firing Bolt is specifically dimensioned only for the large Umarex HDR.68 revolver in .68 caliber.

3. How difficult is the replacement?
Replacement is straightforward and can be done by any average user during normal weapon disassembly. We recommend lightly coating the firing bolt with silicone oil during installation.

Additional parameters

Category: T4E HDR.68 / TR.68
EAN: 4262405341102

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