INCH-POUND
MILDTL63997C
4 September 2009
SUPERSEDING
MIL-R-63997B (AR)
12 December 1986
DETAIL SPECIFICATION
RIFLE, 5.56 Millimeter M16A2
Inactive for new design after 27 February 1997
This specification is approved for use by all Departments and Agencies of the
Department of Defense.
1. SCOPE
1.1 Scope. This detail specification prescribes the requirements and identifies the
verification procedures for the lightweight, air-cooled, gas operated, magazine-fed, 5.56
millimeter (mm) weapon designed for either three shot automatic burst or semi-automatic fire,
hereafter referred to simply as the weapon.
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3 and 4 of this
specification. This section does not include documents cited in other sections of this
specification or recommended for additional information or as examples. While every effort has
been made to ensure the completeness of this list, document users are cautioned that they must
meet all specified requirements of documents cited in sections 3 and 4 of this specification,
whether or not they are listed.
Comments, suggestions, or questions on this document should be addressed to Commander ARDEC,
ATTN: RDAR-QES-E, Picatinny Arsenal, NJ 07806-5000 or emailed to ardecstdzn@conus.army.mil.
Since contact information can change, you may want to verify the currency of this address information
using the ASSIST Online database at https://assist.daps.dla.mil.
AMSC N/A
FSC 1005
DISTRIBUTION STATEMENT A. Approved for public release, distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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