The ModFather Extension Tube with connector
The ModFather Extension Tube with connector is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
NOW SHIPPING FROM OUR US WAREHOUSE. NO IMPORT DUTIES
We now ship orders from our US warehouse, so there will be no additional duties to pay.
Orders over $100 qualify for free shipping.
Delivery
Depending on the size and weight of the product, deliveries in the USA will be via trusted national couriers such as DHL, USPS, FedEx, or UPS. Orders typically arrive within 3–5 business days. Tracking information will be provided once your order ships.
We dispatch parcels same day Monday to Friday for orders placed before 12 noon.
Returns
If you are not satisfied with your purchase, we have a 30-day returns period. In the first instance, please contact our support team via email: support@3leggedthing.com
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Description
Description
Combined Capacity
- Modfather alone: 0.09 litres
- Modfather + Extension: 0.13 litres
That increase in volume delivers smoother airflow and noticeably improved sound reduction, particularly in noise-sensitive environments.
Engineered Acoustic Control
The extension tube houses a single high-density acoustic foam cylinder, using the same studio-grade material found in recording studios and radio stations.
With a density of 24kg per cubic metre, the foam is designed to absorb and diffuse sound energy efficiently. It is user-washable when lead particulate build-up requires maintenance, ensuring long-term, consistent performance.
Integrated Modular Design
The Modfather Extension Tube is supplied as a complete, ready-to-configure module, including:
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Tube connector
- Anodised endoskeleton
- Inner Cage
- Studio-grade acoustic foam insert
It can be:
- Added to a Modfather to extend the system
- Mounted at the barrel end or muzzle end
- Used independently as a compact moderator(Requires caps from Modfather)
The system adapts to your rifle, your environment, and your priorities.
Design & Finish
The extension tube features a clean, purposeful exterior, precision-machined for strength, alignment, and visual harmony with the Modfather range.
Finished exclusively in our unique darkness black, it delivers a restrained, engineered aesthetic that complements any Modfather configuration while keeping the focus on performance and craftsmanship.
Specifications
Specifications
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Material
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Specs

The Features:

What's in the box?
Your feedback fuels our designs
We design and engineer all of our products in the United Kingdom, and seek ways to innovate in order to create products that photographers love and want to use in their daily workflows.
FREE US MAINLAND SHIPPING OVER $100




