Rear sight on bushy carry handle wiggles

[tigerstripe_666]

the rear sight assembly on my bushy carry handle wiggles back and forth is there any way to tighten this or am i basically screwed and have to get a new carry handle.

thanks

 

[Tim R]

Pretty much the facts of life for any unpinned AR rear sight. My WOP upper has the rear sight pinned to keep it from moving back and forth. The reason to pin them is to shoot matches.