Excalibur is going to replace my limbs under warranty due to chipping at the limb tips. Here's a pic of one of the limbs:
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The chips where caused by a string with the end loops being too big, which stressed the string groove. I sent my limbs into Excalibur for inspection last Monday and I am now waiting for my new limbs to arrive.  

--Last edited by tracer on 2008-07-19 07:09:09 --

I received my new limbs in the mail Wed. Excalibur Crossbows also sent me a new string( no charge ). I couldn't be more pleased by the excellent customer service from this company.  

--Last edited by tracer on 2008-07-17 21:01:52 --

Went out to do some target practise today with my Excalibur and the results where that it still shoots straight. No ajustments required.
I will put in some practise time every weekend now up to the bow opener.