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SubSonic .17 OB
SubSonic 17 Over-Barrel
Most of the noise created by firing a .17 caliber rifle comes from the impact of the bullet as the projectile moves through the air at high speed. To dampen the gunpowder noise itself, you do not need a lot of silencer, and this extended version of our SubSonic 17 silencer ensures ample volume in the silencer. At the same time, it provides increased stability for the muffler as it goes down over the pipe.
As the muffler goes down over the pipe, we use steel parts as in our other mufflers that go down over the pipe. This means both increased durability against the gunpowder gases and that the thread in the muffler is cut in steel, rather than aluminum
Brass insert
To make the SubSonic 17 muffler extra durable against the amount of gunpowder in the .17 HMR and .17 Hornet, there is a special 1st module on the SubSonic .17 muffler. In this module is a brass insert which protects the aluminum parts from contact with flames from the gunpowder burning. This significantly increases the service life of the muffler.
SubSonic 17 Over-Barrel
Most of the noise created by firing a .17 caliber rifle comes from the impact of the bullet as the projectile moves through the air at high speed. To dampen the gunpowder noise itself, you do not need a lot of silencer, and this extended version of our SubSonic 17 silencer ensures ample volume in the silencer. At the same time, it provides increased stability for the muffler as it goes down over the pipe.
As the muffler goes down over the pipe, we use steel parts as in our other mufflers that go down over the pipe. This means both increased durability against the gunpowder gases and that the thread in the muffler is cut in steel, rather than aluminum
Brass insert
To make the SubSonic 17 muffler extra durable against the amount of gunpowder in the .17 HMR and .17 Hornet, there is a special 1st module on the SubSonic .17 muffler. In this module is a brass insert which protects the aluminum parts from contact with flames from the gunpowder burning. This significantly increases the service life of the muffler.
Caliber recommendation
SubSonic 1 
7 silencers are specifically made for caliber .17 and therefore only fit 4.5 mm projectiles.
In terms of gunpowder volume, a SubSonic 17 easily handles both .17 HMR and .17 Hornet.
Technical data
Dimensions
Weight: approx. 285 grams
Diameter: 35 mm
Length: 250 mm
Elongation of pipe: 125 mm
Maximum pipe thickness: 20 mm
Guarantee
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.
Maintenance
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.
Avoid using alkaline cleaners, ultrasonic cleaners or brush and scrub cream.
If it is to remain possible to separate the muffler, it is recommended that you regularly separate all modules and apply a little new thread lubrication.
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