NEED ENTRYGARD STRIKER

I HAVE 12 ENTRYGARD LOCKS (40264) WITH LUGS AND STRIKERS. I HAVE 1 BROKEN STRIKER TO REPLACE. THESE STRIKERS ARE MOUNTED TO THE UPPER SASH AS EXPECTED. MY PROBLEM IS WITH THE WINDOW CLOSED THE STRIKER IS TOO LOW FOR THE LOCK TO ENGAGE THE STRIKER. ARE THERE SHIMS AVAILABLE TO RAISE THE STRIKER SO THE LOCK IS ABLE TO ENGAGE THE STRIKER?

THANKS FOR YOUR HELP IN THIS MATTER.

AL