quote:TACOM LCMC MI 12-021 M4-M16 Improved Magazine and the Use of Commercial Magazines
DTG: 301307Z Apr 12
Subject: Maintenance Information (MI) Message, TACOM Life Cycle Management
Command, (TACOM LCMC) Control No. MI: 12-039, M4/M16 Improved Magazine NSN
1005-01-561-7200, Part Number: 13021312, Cage Code: 19200, Old Magazine NSN
1005-00-921-5004, Part Number: 2411362962382, Cage Code: 13629, and the use
of commercial magazines. End Items: M16A2 NSN 1005-01-128-9936, M16A3 NSN
1005-01-357-5112, M16A4 NSN 1005-01-383-2872, M4 NSN 1005-01-231-0973, and
M4A1 NSN 1005-01-382-0953.
a. This is a Maintenance Information (MI) Message. Commanders/Directors
of Army Commands (ACOM)/Army Service Component Commands (ASCC)/Direct
Reporting Units (DRU), Army National Guard (ARNG), US Army Reserve (USAR)
Command, US Navy (USN), US Air Force (USAF), US Marine Corps (USMC) and
other Service Commanders and Responsible Offices will retransmit this
message to all subordinate Commanders/Activities.
b. This message will be available on the Safety First Web Site located
on the TACOM Unique Logistics Support Applications (TULSA) portal within
twenty-four hours of transmission. Access to the Safety First Web Site
requires CAC Card authentication. You must first request access to the
Safety First Web Site. To request access click here
https://tulsa.tacom.army.mil. For assistance, email the TULSA Helpdesk at
email@example.com. The Safety First Web Site also has the
capability to email Safety and Maintenance messages directly to your inbox.
To subscribe to the mailing list, click on, E-Mail Subscriptions, on the
2. Issue: TACOM has become aware of units ordering 30 rd. commercial (i.e.
polymer, etc.) magazines for their M4/M16 family of weapons. The M4/M16 Army
authorized magazines are the following: NSN 1005-00-561-7200 (improved
magazine) and NSN 1005-00-921-5004 (older magazine; use until exhaustion).
3. User Actions: TM 9-1005-319-10, the Additional Authorized List (AAL),
states that NSN 1005-00-921-5004 is authorized, as well as NSN
1005-00-561-7200. Units may use the older magazine NSN 1005-00-921-5004
with the green follower until exhausted. The improved magazine is available
in stock, NSN 1005-00-561-7200, and has a tan follower. The improved
magazine features an improved follower and follower spring. These new
features help to reduce the risk of magazine-related stoppages. Units are only authorized to use the Army authorized magazines listed in the technical manuals. Remember; "tan-is the plan, green-start to lean, black-take it
back." Magazines with the black follower are the oldest and should be turned
in to your unit supply sergeant or local supply point.
4. Unit Commanders, contact your local TACOM LCMC Logistics Assistance
Representative (LAR) or your State Surface Maintenance Manager upon receipt
of this message for assistance. For assistance in locating your TACOM LCMC
LAR, see below.
TACOM says PMAGs are BAD, Bobby Boucher!