Nielsen Sonic 35 compact

Small slim and compact muffler for the small calibers. Particularly suitable for rifles with a rail.

Opgiv venligst pibe diameteren ved mundingen

Opgiv venligst pibe diameteren 7 cm fra mundingen

Slim profile

This muffler has a diameter of just 35 mm. Our compact model goes only 7 cm down the pipe, and is therefore perfect for small calibers with very short free pipe, such as. rifles with a long rail. Since smaller calibers do not need a large volume for optimal attenuation, you can settle for this small and slim silencer. We recommend that this damper be used up to and including .243 Winchester.

Be aware that due to the very thin profile, a Sonic 35 can not go on pipes thicker than 20 mm.

The steel cores

To make the damper as solid and durable as possible, this damper has been fitted with a steel core that ensures that the damper can withstand the high temperatures that occur when firing many shots within a short period of time.

Threads and Sizes

Metric Thread
Empty Found
Max size
M13x1 1/2 “x20 Max 6
M14x1 1/2 “x28 Max 7
M14x1,5 5/8 “x24 Max 8

Our “Max size” is the maximum size caliber that the muffler can be used for.

Too large max size in relation to caliber, will mean significantly reduced efficiency for the muffler.

Caliber recommendation

When choosing your muffler, it is important that you choose a muffler that fits the caliber you are using. On the graphic you can see which calibers can be shot through the muffler, as well as how well the amount of gunpowder can be handled by the muffler.

Sonic 35 silencers are primarily aimed at small calibers and low-caliber calibers.

Technical data


Weight: approx. 250 grams
Diameter: 35 mm
Length: 180 mm
Pipe extension: 115 mm
Maximum pipe thickness: 20 mm


In Denmark, all Nielsen Sonic silencers are covered by a 5-year total warranty, provided they are purchased directly from us, and the customer shows up at our production with both the silencer and the rifle it is mounted on.

    • Never shoot the pipe too hot. Feel free to give the muffler a puff WD40 or similar at the rear end before mounting and after disassembly. Especially if the muffler is used in humid weather.
    • Always allow the muffler to dry before placing it in storage.
    • Clean the muffler as needed, using only oil and a cloth. A ride on the shooting range where the muffler is shot moderately hot will also clean it of excess soot.
    • Avoid using alkaline cleaners, ultrasonic cleaners or brushes and scrubs.
    • If it is to remain possible to disassemble the muffler, it is recommended that you disassemble all modules regularly and apply a little new thread lubrication.


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