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DonnyFL Sumo Sound Moderator 4.50mm (.177) 5.50mm (.22) 160x40mm 1/2 UNF
S6
New
DonnyFL Sumo is a premium mid‑volume moderator engineered to deliver excellent sound suppression on PCP rifles.
Built to manage the airflow of small‑bore, high‑efficiency PCP systems, it reduces noise effectively while maintaining full accuracy and shot consistency.
This refined design features an internal baffle system optimized for smooth airflow and reduced turbulence, ensuring reliable suppression across a wide range of power levels.
CNC‑machined from high‑grade aluminum and finished in matte black anodizing, it provides durability, strength, and long‑term performance.
Ideal for shooters who want effective noise reduction on light to medium‑power airguns without adding excessive weight or length.
Compatibility: 1/2 x 20 UNF Calibres: 4.50 mm (.177) and 5.50 mm (.22)
DonnyFL - When silence is a priority.
More info
The DonnyFL Sumo is a durable, high‑performance airgun moderator built for shooters who want strong sound reduction on powerful PCP rifles.
Its precision mono‑core design and solid aluminium body provide reliable suppression without shifting the point of impact.
Constructed from CNC‑machined 6061‑T6 aluminium and finished with a hard‑anodized coating for enhanced corrosion resistance, the Sumo features a 160 mm length and a 40 mm outer diameter.
Inside, the mono‑core layout slows and redirects expanding air, significantly reducing muzzle blast.
Key Features
Caliber Support: 4.50 mm (.177) and 5.50 mm (.22)
Build: CNC‑machined 6061‑T6 aluminium construction with hard‑anodized finish
Enhanced Sound Suppression: Mono‑core system engineered for high sound reduction
Improved Grip: Exterior grooves provide a secure and comfortable hold.
Protective Storage Tube: Supplied with a red protective paper tube for safe transport and storage.
Adapter Requirement: The moderator does not include adapters. Confirm 1/2x20 UNF compatibility.
Airgun Only: Designed exclusively for airguns. Not suitable for firearms.
Size: 160 mm length, 40 mm diameter, 159 g total weight
Take your high-powered airgun to a higher level of performance with the DonnyFL Sumo moderator.
Experience exceptional sound reduction and refined engineering with every shot.
Why Choose DonnyFL?
Precision engineering: All components are CNC‑machined with strict tolerances for consistent, repeatable performance.
Advanced design: Internal flow paths are optimized to reduce turbulence and improve sound suppression.
High durability: Manufactured from premium materials with robust finishes for long‑term reliability.
Trusted brand: Known for dependable products, excellent quality control and strong customer support.
What is an Air Gun Moderator
An air rifle moderator is a device attached to the muzzle to reduce noise by redirecting and slowing the escaping air. Unlike firearm suppressors, which are heavily regulated and designed to silence combustion gases, airgun moderators simply moderate sound and are specifically engineered for pneumatic systems.
Do Moderators Affect the Accuracy of the Air Gun?
Moderators do not reduce accuracy; in many cases, they improve it by stabilizing airflow and reducing recoil movement. Their weight is minimal and does not negatively affect handling. Heavier rifles also tend to be easier to shoot accurately.
For shooters looking to improve comfort, reduce noise and enhance overall shooting experience, a moderator like the Sumo is an excellent choice.
Data sheet
| Product Material | Aluminium |
| Product Color | Black |
| Product Finish | Mate |
| Product Dimensions | 160 x 40 mm |
| Product Total Weight | 160 g |
| Observations | 1/2x20 UNF |
| Compatibility | 4.50 mm (.177) 5.50 mm (.22) |
| Country of Development | USA |
