Liberty Suppressors’ Cosmic, more than you think.
I received a brand new silencer from Liberty Suppressors, the Cosmic to check it out and see what is what. It is a user serviceable silencer with a .45 caliber bore. Now this can is rated for some high pressure cartridges such as the .454 Casull and 300 Blackout supersonic and subsonic. With that in mind this can is easily adapted to several different host firearms and calibers.
Liberty Suppressors was good enough to send a 1/2 x 28 thread piston end cap adapter that works with 9mm Luger and smaller with that thread pitch and a 5/8 x 24 thread end cap that will work for larger rifle calibers.
Testing began with a CZ P09 9mm Luger and Barnes Precision Machine Patrolman’s rifle in 300 BLK. I also included a Glock 17 with a Lone Wolf threaded barrel
After a few magazines through each host, showing no decrease in accuracy or reliability it was time to get some friends over and wring this can out. The Cosmic is a large can measuring eight inches without the end cap adapter and it is almost 1.5 inches thick. In many handguns, most silencers impede your sight picture. Since much of the can sticks above the bore. One solution is installing silencer sights to your pistol that stick up much higher. This solution will change your sight picture, since they do set up so much higher off the slide. Another technique is to sight or shoot through the silencer. You can still reference your sights and target with the silencer installed, so with a little practice you can use the factory sights and still put accurate rounds on target. The latter option is the one I prefer.
Using a sound meter I tested some subsonic 147gr 9mm Luger from Ft Mill Munitions and subsonic 300 BLK from Stillwood and Defender Ammunition. After talking to the manufacture of the sound meter on the best way to get accurate results we set up and shot a series of five shot strings logging the info and averaging the suppressed report. The subs in 9mm averaged 64 decibels and the subs in 300 BLK averaged 74 decibels. Though many pistol silencers are rated for subsonic 300 BLK, very few are rated for supersonic. As far as adaptability, the Cosmic is tough to beat. The cosmic has held up well over about a five hundred rounds, mostly subsonic 9mm. At twenty five yards there was no change in accuracy with handgun or rifle.
A note on the sound measuring, In talking with Reed Instruments and Liberty Suppressors I have learned my meter measures the entire sound wave, from beginning to end while more sophisticated meters can measure only the peak sound. That raises the question if my meter is acceptable for measuring the report from a silencer, well according to Reed Instruments, it measures basically about the same thing as the average human ear hears. While that can may have a peak noise of 120 db, that peak lasts for thousands of a second and is not truly audible. To get an idea of exact peak noise, add about 60 db to my measurements but it is doubtful your ears will pick up on that sound.
There were two things I really liked about the Cosmic, with the 1/2 x 28 or 5/8 x 24 thread piston adaptor it will attach to standard threads of handguns and with the end cap adapters of the same thread pitch. it can attach to standard rifle barrels. Since it is rated to high pressure pistol cartridges and supersonic and subsonic 300 Blackout it will serve you well on several firearms. The monocore design makes it easy to disassemble and clean as well as reassemble.
The muzzle end of the silencer is tabbed and indexes on the silencer body so you know everything is correctly aligned.
Though we all know silencers are very cool, they also make excellent training tools. Suppressing a firearms report also takes away a lot of the intimidation factor to new shooters and allows communication between the shooter and instructor. So in addition of the cool factor, a silencer makes shooting more pleasant and makes a fine training tool. The added weight to the end of the muzzle is easy to get used to. There are new laws on the books, such as the ATF ruling of CLEOS shall sign and the Hearing Protection Bill that has been introduced that, hopefully. will make silencers easy to get.
About the sound meter testing, I spoke with the manufacture of the meter and they advised me the meter should be accurate over a 5 shot average and is calibrated to +/- 1.5db. For reference on sound pain begins about 85 db and my meter is measuring peak sound 5 feet away and behind the pistol. During the shooting, the action was about as loud as the report, the case hitting the table was louder than the report of the 9mm test.
I learned from Liberty that the cosmic is also good for rifles chambered in 5.56×45/.223 Remington as long as the barrel length is 16 inches or longer.I have about a 100 rounds through the Colt 6920 and the can has held up well. The silencer helped the report a great deal on the AR-15, though I do not know if I would want to spend a day shooting it without any hearing protection but the report was suppressed quite a bit. This would especially work well in you needed a silencer for your rifle and already had the Cosmic. All you would need is to add a 1/2 x 28 adaptor to the can and get to it. If you carried a rifle in 5.56/.223 for home or vehicle defense and needed it in a hurry, adding this can is a much better option if you had to deploy the rifle without any any ears, especially in an emergency and others were in proximity.
Designated Caliber: 45 Auto
Length: 8″ (Suppressor module only) Width, 1.4′
Material: Titanium / Stainless steel
Weight: 9.5 ounces
Average dB in 45ACP: 134dB
Attachment: Multipurpose mounting system
Finish: Type C Cerakote