![]() ![]() The story is different with the Walther P22. I should point out that the unsuppressed 10/22 rifle started out at 141.3 dB with Federal ammunition and 139.6 dB with the Remington Subsonic. Having said that, let's go on to the important data! We'll start out with the Remington 10/22 data - even though the Walther P22 results were a little more interesting.Īs you can see, there is some difference between the high-end cans and the lower end ones - but they are all in the 'safe' hearing range. If that's true, it will probably also result in a fairly significant muzzle blast when shot at night - so we're going to head out and look at that when we get a chance. My guess on the subsonic velocity increase is that the Remington ammunition is using a slow burning powder that continues to propel the round through the suppressor. In some cases, the Remington ammunition came very close to being supersonic out of the suppressed Ruger 10/22. With the Remington subsonic ammunition, on the other hand, the velocities increased by about 20 fps when shot from both the Ruger 10/22 as well as the Walther P22. In fact, when using the Federal ammunition, velocities stayed fairly constant. Personally, I expected the velocity numbers to increase across the board - but it didn't work out that way at all. Well, we've spent a couple of days crunching numbers and the results are finally in! In case you haven't read about our testing, we ran 9 suppressors through 2 guns with 2 types of ammunition - which resulted in a lot of data.īefore going into the sound reduction numbers, which I know is what you care about, I will make a quick statement about velocity changes. ![]()
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