NEW YORK--(BUSINESS WIRE)--Fitch Rates Barclays Dryrock Issuance Trust Series 2015-2 as follows: --$500,000,000 million class A fixed-rate asset-backed notes 'AAAsf'; Outlook Stable; --$109,757,000 million class B fixed-rate asset-backed notes NR. KEY RATING DRIVERS Fitch's ratings are based on the underlying receivables pool, available credit enhancement, Barclays Bank Delaware (BBD) underwriting and servicing capabilities, and the transaction's legal and cash flow structures, which employ ear