SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-K/A
                                 AMENDMENT NO. 1
 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
             OF 1934 - For the fiscal year ended December 31, 2003
                         Commission file number 1-13905

                            COMPX INTERNATIONAL INC.
             (Exact name of registrant as specified in its charter)

           Delaware                                            57-0981653
(State or other jurisdiction of                              (IRS Employer
 incorporation or organization)                            Identification No.)

5430 LBJ Freeway, Suite 1700, Dallas, Texas                 75240 - 2697
  (Address of principal executive offices)                     (Zip Code)

Registrant's telephone number, including area code:          (972) 448-1400

Securities registered pursuant to Section 12(b) of the Act:

                                                    Name of each exchange on
    Title of each class                                 which registered

    Class A common stock                            New York Stock Exchange
($.01 par value per share)


          Securities registered pursuant to Section 12(g) of the Act:

                  None.

Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months and (2) has been subject to such filing requirements for
the past 90 days. Yes X No

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best of Registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.

Indicate  by check mark  whether  the  registrant  is an  accelerated  filer (as
defined in Rule 12b-2 of the Act). Yes No X

The  aggregate  market  value of the 4.7 million  shares of voting stock held by
nonaffiliates of CompX International Inc. as of June 30, 2003 approximated $26.1
million.

As of  January  30,  2004,  5,124,780  shares  of  Class  A  common  stock  were
outstanding.

                       Documents incorporated by reference

The  information  required by Part III is  incorporated  by  reference  from the
Registrant's definitive proxy statement to be filed with the Commission pursuant
to  Regulation  14A not later  than 120 days  after the end of the  fiscal  year
covered by this report.

The  undersigned   Registrant  hereby  amends  the  following  items,  financial
statements, exhibits or other portions of its Annual Report on Form 10-K for the
year  ended  December  31,  2003 as set forth  below  and in the pages  attached
hereto:

Item 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.

Item No.                   Exhibit Index

31.1      Certification

31.2      Certification

99.1      Annual Report of the CompX  Contributory  Retirement  Plan (Form 11-K)
          for the year ended December 31, 2003.


                                    SIGNATURE


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  amendment  to be signed on its behalf by the
undersigned, thereunto duly authorized.



                                   COMPX INTERNATIONAL INC.
                                        (Registrant)



Dated:  June 25, 2004            By:      /s/Darryl R. Halbert
                                          -------------------------------------
                                          Darryl R. Halbert
                                          Vice President, Chief
                                          Financial Officer and
                                          Controller