SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934



Date of Report:  October 27, 2003
(Date of earliest event reported)

Commission File No. 333-105940



                    Banc of America Mortgage Securities, Inc.
- --------------------------------------------------------------------------------



            Delaware                                       36-4514369
- --------------------------------------------------------------------------------
    (State of Incorporation)                (I.R.S. Employer Identification No.)



201 North Tryon Street, Charlotte, North Carolina            28255
- --------------------------------------------------------------------------------
     Address of principal executive offices                (Zip Code)



                                 (704) 387-8239
- --------------------------------------------------------------------------------
               Registrant's Telephone Number, including area code




- --------------------------------------------------------------------------------
         (Former name, former address and former fiscal year, if changed
                               since last report)





ITEM 5. Other Events

            On October 27, 2003, Banc of America Mortgage Securities, Inc., a
Delaware corporation (the "Registrant"), sold Mortgage Pass-Through
Certificates, Series 2003-J, Class 1-A-1, Class 1-A-2, Class 1-A-3, Class 1-A-R,
Class 1-A-MR, Class 1-A-LR, Class 2-A-1, Class 2-A-2, Class 2-A-3, Class 2-A-4,
Class 2-A-5, Class 2-A-6, Class 2-A-7, Class 2-A-8, Class 2-A-9, Class 2-A-IO,
Class 3-A-1, Class 3-A-2, Class 4-A-1, Class B-1, Class B-2 and Class B-3 (the
"Offered Certificates"), having an aggregate original principal balance of
$1,285,591,100. The Offered Certificates were issued pursuant to a Pooling and
Servicing Agreement, dated October 27, 2003, among the Registrant, Bank of
America, N.A., as servicer ("BANA") and Wells Fargo Bank Minnesota, National
Association, as trustee (the "Agreement"), a copy of which is filed as an
exhibit hereto. Mortgage Pass-Through Certificates, Series 2003-J, Class SES,
Class 1-IO, Class 2-IO, Class 3-IO, Class B-4, Class B-5 and Class B-6
Certificates, having an aggregate initial principal balance of $6,460,620 (the
"Private Certificates" and, together with the Offered Certificates, the
"Certificates"), were also issued pursuant to the Agreement.

            As of the date of initial issuance, the Offered Certificates
evidenced an approximate 99.50% undivided interest in a trust (the "Trust"),
consisting principally of four pools of adjustable interest rate, monthly pay,
fully-amortizing, one- to four-family residential first mortgage loans. The
remaining undivided interests in the Trust are evidenced by the Private
Certificates.

            Interest on the Offered Certificates will be distributed on each
Distribution Date (as defined in the Agreement). Monthly distributions in
reduction of the principal balance of the Offered Certificates will be allocated
to the Offered Certificates in accordance with the priorities set forth in the
Agreement. Distributions of interest and in reduction of principal balance on
any Distribution Date will be made to the extent that the Pool Distribution
Amount (as defined in the Agreement) is sufficient therefor.

            Elections will be made to treat the Trust as three separate REMICs
for federal income tax purposes (the "Upper-Tier REMIC," "Middle-Tier REMIC" and
the "Lower-Tier REMIC" and each a "REMIC"). The Class 1-A-1, Class 1-A-2, Class
1-A-3, Class 1-IO, Class 2-A-1, Class 2-A-2, Class 2-A-3, Class 2-A-4, Class
2-A-5, Class 2-A-6, Class 2-A-7, Class 2-A-8, Class 2-A-9, Class 2-A-IO, Class
2-IO, Class 3-A-1, Class 3-A-2, Class 3-IO, Class 4-A-1, Class B-1, Class B-2,
Class B-3, Class B-4, Class B-5 and Class B-6 Certificates and each component of
the Class SES Certificates will be treated as "regular interests" in the REMIC
and the Class 1-A-R, Class 1-A-MR and Class 1-A-LR Certificates will be treated
as the "residual interest" in the Upper-Tier REMIC, Middle-Tier REMIC and the
Lower-Tier REMIC, respectively.





ITEM 7. Financial Statements and Exhibits

        (c) Exhibits

Item 601(a)
of Regulation S-K
Exhibit No.                            Description
- -----------                            -----------

      (EX-4)                           Pooling and Servicing Agreement, dated
                                       October 27, 2003, among Banc of America
                                       Mortgage Securities, Inc., Bank of
                                       America, N.A. and Wells Fargo Bank
                                       Minnesota, National Association, as
                                       trustee.





            Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                       BANC OF AMERICA MORTGAGE
                                          SECURITIES, INC.


October 27, 2003



                                    By:      /s/ Judy Lowman
                                       ----------------------------------
                                       Name:   Judy Lowman
                                       Title:  Vice President



                                INDEX TO EXHIBITS
                                                              Paper (P) or
Exhibit No.                 Description                       Electronic (E)
- -----------                 -----------                       --------------

   (EX-4)                   Pooling and Servicing Agreement,     E
                            dated October 27, 2003, among
                            Banc of America Mortgage
                            Securities, Inc., Bank of
                            America, N.A. and Wells Fargo
                            Bank Minnesota, National
                            Association, as trustee.