What good would that do in this issue? M16's do the same thing, it is the nature of the design.
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The big orange search button up top is the way to go unless you're not logged in or you're stuck using an iPod like I am right now.
The alternative is to use google with search "site:m4carbine.net x" without the quotes where x is the search term.
Using the search button, I research this topic several days ago.
I found this thread; https://www.m4carbine.net/showthread.php?t=33805
and should answer your questions.