Long barrel for HDR - 12 cm

230 mm Long Barrel for HDR50 and HDR50L — Chromed Aluminum, 12.6 mm Bore

230 mm long barrel for the Umarex HDR50 and HDR50L, in chromed aluminum made in France. Its 12.6 mm internal diameter (instead of 12.7 mm) optimizes slug projection, for a gain in power and accuracy. A new Invent3D exclusive, compatible with all HDR50 and HDR50L.

Specifications

• Compatibility: all HDR50 and HDR50L
• Material: chromed aluminum
• Total length: 230 mm (±5 mm)
• Length protruding from the revolver: 120 mm (±5 mm)
• Internal diameter: 12.6 mm (instead of 12.7 mm) for better slug projection
• External diameter: 15.9 mm; protruding part: 14.4 mm (±1 mm)
• Compatible with all slugs and most rubber balls
• Fits into the X-Tender (sold separately)
• 100% French-made

Why choose this long barrel

This long barrel is optimized for better accuracy and improved power. Its 12.6 mm internal diameter, slightly reduced compared to the original 12.7 mm, ensures better slug projection: you gain both power and accuracy in your shots. With a total length of 230 mm, it's a compact version that improves your HDR50's performance while staying easy to handle.

Made 100% in France from chromed aluminum, this barrel is a new Invent3D exclusive. It is compatible with all HDR50 and HDR50L, and also fits into the X-Tender (sold separately). It accepts all slugs as well as most rubber balls.

Installation

This barrel is supplied without the spring: you must reuse the original one.

• Remove all the screws from the HDR50.
• Note the orientation of the spring on the barrel (very important).
• Remove the barrel and the spring.
• Fit the spring onto your new barrel.
• Take the opportunity to oil all the internal parts of your HDR50.
• Reassemble and check, without a CO2 capsule, that the cylinder turns freely without forcing.

⚠️ Installing this barrel will void your warranty. Invent3D accepts no liability for misuse or incorrect installation of this product.

Tested and compatible with

• Invent3D slugs (all models)
• Pepper ball
• Devastator

Compatibility

• Umarex HDR50
• Umarex HDR50L
• X-Tender compatible (sold separately)

Please check that your gun matches these models before ordering. If you have any doubt about compatibility with your setup, our customer service is available to help.

Made in France

Made 100% in France from chromed aluminum, this long barrel is an Invent3D exclusive. Designed and produced in-house, for an accessory dedicated to your HDR50. 🇫🇷

Shipping

Your long barrel is shipped quickly and carefully packaged. 📦