Rimma .22 LR sound moderator is a specialized device designed to reduce gunshot noise for rimfire small-caliber firearms. The moderator effectively suppresses sound pressure by 22 dB, making shots more comfortable for the shooter and reducing the position-revealing signature. The construction is engineered for intensive field use while maintaining firearm accuracy and shot grouping.
We Are a Team of Veterans
We understand how crucial every decibel of sound reduction is when working with small-caliber rifles or pistols, especially during extended training sessions or specialized tasks. The Rimma sound moderator is valued for its successful balance of compact dimensions, minimal weight, and effective 22 dB sound pressure reduction without negatively affecting bullet ballistics.
Aviation-grade aluminum combined with durable Cerakote coating provides high wear resistance against corrosion and heating. Reliable thread mounting and precise internal geometry guarantee stable device performance over hundreds of shots without loosening or shift in the point of impact.
Technical Specifications
Parameter: Value
Manufacturer: Rimma
Caliber Compatibility: .22 LR
Sound Reduction Efficiency: 22 dB
Length: 182 mm
Diameter: 30 mm
Weight: 130 g
Material: Aviation-grade aluminum
Coating: Cerakote firearm paint
Available Threads: 1/2x28, 1/2x20, M18x1, M15x1
Commentary / Comments
The key advantage of the Rimma .22 LR sound moderator is its low weight of just 130 grams, ensuring the weapon balance remains virtually unaffected and the barrel is not overloaded with excess muzzle mass. This is especially noticeable when shooting lightweight sporting and hunting rifles where every gram counts.
The Cerakote coating reliably protects the aluminum body from scratches, moisture, and powder gas exposure, preserving the clean appearance of the device even after active use in rain or dust. The availability of multiple thread options allows fitting the model to most popular barrels without requiring additional adapters.
Target Audience / Suitable For
Military specialists and special operations operators using small-caliber weapons for training tasks or operations achieve effective 22 dB sound reduction and lower position visibility without weapon heaviness.
Athletes and precision shooters training at ranges with rimfire carbines can perform long series of shots without hearing fatigue and without discomfort to others.
Hunters and recreational shooters will appreciate the compact dimensions of the moderator, minimal weight, and Cerakote coating durability in field conditions.

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Rimma .22 LR Sound Moderator

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SKU: 9136

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