Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
If they are installed dry, they are usually easy to remove. The rubber might harden a bit over time, but it doesn't usually stick to the frame.
If they were installed with something like RTV or another sealant, you're probably going to break the glass to get them out, so better to take them off.