rifles only

I'm on the hunt for a suppressor cover for my SilencerCo Specwar 556K.  I use it more on my primary fighting rifle than on my SPR.  That said, I'm trying to find a good cover that will hold up to some semi-rapid fire use more than just a few slow strings to avoid mirage like on a bolt gun or...

Have you had trouble with the heat coming off the can causing a mirage in your optic. I found a device that looks to be a good fix for that. https://www.riflesonly.com/pro-shop/suppressor-covers.html