$510.00 for an Aluminum cover for the ARC Ref. 10?

Wanted to replace the poly covers, but this is unbelievable!!!

leog201510-30-2015 2:03am

brf Details Discussions Posts This discussion Message User 1,715 posts 11-10-2015 at 12:23am Copy Comment URL Report Comment Edit Delete Will ARC give me a $510 price reduction if I buy a Ref 10 without a top cover?