I gave my Excalibur a tuneup/check over today, cleaned the wax off the rail, put a thin layer of rail lube on. Put a new string on, worked some wax into the string and the bow shoots the firebolts dead on.
This rail lub is from Excalibur - EXLUBE - claims to reduce string friction, increases crossbow speed, prolongs string life, has HDT, 100% odourless, will not freeze.
All ready for the bow opener on Monday, good luck to all heading out to their stands.