Has anyone tried any of these suppressors?

[brycewise]

Has anyone ever tried any of these suppressors? How well do you think they would work with a 8.5-10.5 .5.56 or (for the .30 cal) a 300 blk?

https://www.deltapdesign.com/suppressors/brevisr-ii-ultra-5-56-nato-rifle-suppressor.html

https://www.deltapdesign.com/suppre...visr-ii-ultra-7-62-nato-rifle-suppressor.html

http://www.surefire.com/socom556-mini.html

http://www.surefire.com/socom762-mini.html

 

[Chainsaw.]

Damn those are expensive! Namely the first two.