+8 J Performance Boost | HOMEDEFENCE-24 Barrel Extension 10 cm | For T4E HDX 68 Shotgun

HOMEDEFENCE-24 – Professional upgrade for your T4E HDX 68

The aluminum barrel extension from the renowned manufacturer HOMEDEFENCE-24 represents the simplest and highly effective way to maximize the potential of your Umarex T4E HDX 68 weapon. This 10 cm accessory is made of solid, black anodized aluminum, which guarantees high mechanical resistance, perfect alignment, and a long service life even under intensive use.

The main benefit of this extension is a noticeable increase in performance. The longer barrel allows the propellant gas to act on the projectile for a longer period, resulting in an increase in shot energy of approximately 8 Joules. In addition to higher penetration, the extension also has a positive effect on the projectile's stability and overall accuracy, which you will appreciate especially when shooting at longer distances. Installation is completely intuitive – simply screw the extension between the muzzle and the original barrel using the 22x1.5 thread. No permanent modification of the weapon is required.

Technical parameters:

• Designed for: Umarex T4E HDX 68
• Power increase: approx. +8 Joules
• Length: 100 mm (10 cm)
• Material: Black anodized aluminum
• Thread: 22x1.5
• Mounting method: Screw-on (Plug & Play)
• Date of manufacture: 2026

Main advantages:

• Immediate increase in muzzle velocity and impact force
• Improved trajectory and stabilization of the projectile for more accurate shooting
• Top German quality workmanship from lightweight and strong material
• Easy removal without leaving marks on the weapon
• Aggressive tactical look that complements the shotgun's design

Frequently Asked Questions (FAQ):

1. Is this extension legal?
By increasing the power by +8 J, you may exceed the legal limits set in some countries. Before installation, please check the current legislation applicable to Category D weapons in your area to ensure that the weapon still meets local standards after the upgrade.

2. What kind of balls can I use with this extension?
The extension is fully compatible with all types of .68 caliber projectiles designed for the T4E system. You can safely shoot rubber balls, pepper balls (Prepperball), and heavy steel balls.