Reservoir Mods are 3 Legged Thing's airgun moderator range — British-designed and built specifically for air weapons. Available for .177 and .22 calibre airguns with 1/2" UNF thread fittings, to suit a wide range of rifles and air pistols.
 
Lightweight, corrosion-resistant, and engineered for consistent performance and long service life. Suitable for target shooting, pest control and general field sports use.
 
The 3 Legged Thing Reservoir Mods are compact, modular airgun moderators engineered to do one thing exceptionally well: reduce muzzle noise without compromising accuracy.
Designed and built by 3 Legged Thing, Reservoir Mods use a carefully tuned multi-chamber system to manage airflow, strip excess pressure, and quiet the shot at the source. The result is a cleaner report, tighter follow-through, and a more controlled shooting experience.
 
Available in two profile styles and two lengths, every 3 Legged Thing Reservoir Mod delivers the same internal performance — the choice is simply how it looks and how much volume you want.
 
Wavy Profile (RSV1)
A flowing, organic exterior with subtle contouring. RSV1 offers a softer visual language while retaining the same internal geometry and suppression performance as RSV2.
 
Chamfered Profile(RSV2)
A sharper, faceted design with clean chamfers and a more technical aesthetic. RSV2 is visually bold but mechanically identical inside.
 
Profile choice is purely about looks and feel — performance remains unchanged.
 
Compact design for balance and handling
 
Standard:
5-chamber modular design
14.5 cm (5.7″) length
36 mm (1.4″) diameter
 Internal volume: 59 ml
Ideal for compact setups
XL:
8-chamber modular design
20.2 cm (7.95″) length
36 mm (1.4″) diameter
Internal volume: 95 ml
Increased airflow management for maximum suppression
The XL versions offer greater internal volume for shooters who want the quietest possible report, while the standard models prioritise balance and handling.
 
Come and see the range here at Forest Lodge Guns…