I purchased a Huntertown Arms Kestrel 5.56. MSRP is 500, so cheaper then all the ones mentioned before.
http://www.huntertownarms.com/k556.php
The outer tube is in two pieces, the piece closest to the gun is the registered part, so if you have a baffle strike and blow the end off you dont have to go through all the paperwork to get a new can they just replace the broken parts. Since it comes in two pieces you can run .22lr through it and clean it.
Here it is on a Ruger MK III shootin Mini Mags. If you listen you can hear the 3rd shot break the sound barrier.
[video]https://db.tt/1qhO4SGY[/video]
http://www.huntertownarms.com/k556.php
The outer tube is in two pieces, the piece closest to the gun is the registered part, so if you have a baffle strike and blow the end off you dont have to go through all the paperwork to get a new can they just replace the broken parts. Since it comes in two pieces you can run .22lr through it and clean it.
Here it is on a Ruger MK III shootin Mini Mags. If you listen you can hear the 3rd shot break the sound barrier.
[video]https://db.tt/1qhO4SGY[/video]