SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.  20549

SCHEDULE 13G
(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT 
TO RULES 13d-1(b),(c), AND (d) AND AMENDMENTS THERETO FILED 
PURSUANT TO RULE 13d-2(b)
(Amendment No. 3)1

COMPX INTERNATIONAL INC.
(Name of Issuer)

CLASS A COMMON STOCK
(Title of Class of Securities)

20563P101
(CUSIP Number)

01/31/2003
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this 
Schedule is filed:

[ X ]   Rule 13d-1 (b)

[   ]   Rule 13d-1 (c)

[   ]   Rule 13d-1 (d)

1The remainder of this cover page shall be filled out for a 
reporting person's initial filing on this form with respect 
to the subject class of securities, and for any subsequent 
amendment containing information which would alter the 
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall 
not be deemed to be "filed" for the purpose of Section 18 of 
the Securities Exchange Act of 1934 (the "Act") or otherwise subject 
to the liabilities of that section of the Act, but shall be subject 
to all other provisions of the Act (however, see the Notes.)

[Continued on the following pages]

CUSIP No. 20563P101         13G                     Page 2 of 6 Pages

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1.   NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

Wellington Management Company, LLP
04-2683227
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2.   CHECK THE APPROPRIATE BOX IF THE MEMBER OF A GROUP
(a)[   ]
(b)[   ]
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3.   SEC USE ONLY

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4.   CITIZENSHIP OR PLACE OF ORGANIZATION
Massachusetts

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5. SOLE VOTING POWER
NUMBER OF                           0
SHARES                        -----------------------------
BENEFICIALLY                  6. SHARED VOTING POWER
OWNED BY
EACH                                113,100
REPORTING                     -----------------------------
PERSON                        7. SOLE DISPOSITIVE POWER
WITH                                0
-----------------------------
8. SHARED DISPOSITIVE POWER
113,100
---------------------------------------------------------------
9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

113,100
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10. CHECK BOX IF AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN 
SHARES                                               [   ]
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11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.21%
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12.  TYPE OF REPORTING PERSON
IA

CUSIP No. 20563P101           13G                   Page 3 of 6 Pages

Item 1(a). Name of Issuer:

COMPX INTERNATIONAL INC.

Item 1(b). Address of Issuer's Principal Executive Offices:

5430 LBJ Freeway, Suite 1700
Dallas TX  75240

Item 2(a). Name of Person Filing:

Wellington Management Company, LLP (``WMC``)

Item 2(b). Address of Principal Business Office or, if None,     
Residence:

75 State Street
Boston, Massachusetts  02109

Item 2(c). Citizenship:

Massachusetts

Item 2(d). Title of Class of Securities:

CLASS A COMMON STOCK

Item 2(e). CUSIP Number:

20563P101

Item 3.  If This Statement is Filed Pursuant to Rule 13d-1(b), or  
13d-2(b) or (c), Check Whether the Person Filing is a:

(a) [   ] Broker or dealer registered under Section 15 of the Act.

(b) [   ] Bank as defined in Section 3(a)(6) of the Act.

(c) [   ] Insurance Company as defined in Section 3(a)(19) of 
the Act.

CUSIP No. 20563P101              13G              Page 4 of 6 Pages

(d) [   ] Investment Company registered under Section 8 of the 
Investment Company Act.

(e) [ X ] An investment adviser in accordance with 
Rule 13d-1(b)(1)(ii)(E);

(f) [   ] An employee benefit plan or endowment fund in accordance 
with Rule 13d-1(b)(1)(ii)(F);

(g) [   ] A parent holding company or control person in accordance 
with Rule 13d-1(b)(1)(ii)(G);  see item 7;

(h) [   ] A savings association as defined in Section 3(b) of the
Federal Deposit Insurance Act;

(i) [   ] A church plan that is excluded from the definition of an 
investment company under Section 3(c)(14) of the 
Investment Company Act;

(j) [   ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

If this statement is filed pursuant to Rule 13d-1(c), 
check this box [   ]

Item 4. Ownership.
Provide the following information regarding the aggregate 
number and percentage of the class of securities of the issuer 
identified in Item 1.

(a)  Amount beneficially owned: WMC, in its capacity as 
investment adviser, may be deemed to beneficially own 
113,100 shares of the Issuer which are held of   
record by clients of WMC.

(b)  Percent of class: 2.21%

(c)  Number of shares as to which such person has:

(i) Sole power to vote or to direct the vote        0
(ii) Shared power to vote or to direct the vote      113,100
(iii) Sole power to dispose or to direct the 
disposition of                                  0
(iv) Shared power to dispose or to direct the 
disposition of                                  113,100

CUSIP No. 20563P101              13G           Page 5 of 6 Pages

Item 5. Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the 
date hereof the reporting person has ceased to be the beneficial 
owner of more than five percent of the class of securities, check 
the following 

[X].

Item 6. Ownership of More than Five Percent on Behalf of Another 
Person.

The securities as to which this Schedule is filed by  
WMC, in its capacity as investment adviser, are 
owned of record by clients of WMC. Those clients 
have the right to receive, or the power to direct the receipt 
of, dividends from, or the proceeds from the sale of, such 
securities. No such client is known to have such right or 
power with respect to more than five percent of this class of 
securities, except as follows:

None

Item 7. Identification and Classification of the Subsidiary Which 
Acquired the Security Being Reported on by the Parent Holding 
Company.

Not Applicable.

Item 8. Identification and Classification of Members of the Group.

Not Applicable.  This schedule is not being filed 
Pursuant to Rule 13d-1(b)(1)(ii)(J) or Rule 13d-1(d).

Item 9.  Notice of Dissolution of Group.

Not Applicable.

Item 10. Certification.

(a) The following certification shall be included if the statement 
is filed pursuant to Rule 13d-1(b):

"By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired 
and are held in the ordinary course of business and were not 
acquired and are not held for the purpose of or with the

CUSIP No. 20563P101              13G                Page 6 of 6 Pages

effect of changing or influencing the control of the issuer of 
the securities and were not acquired and are not held in  
connection withor as a participant in any transaction 
having that purpose or effect. "

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, 
I certify that the information set forth in this statement is true, 
complete and correct.

By:--//Brian P. Hillery//--
Name:  Brian P. Hillery
Title: Vice President
Date:  February 10, 2003

*   Signed pursuant to a Power of Attorney dated January 17, 2002 and 
filed with the SEC on February 5, 2002.