Aluminum 30-round 5.56mm magazine for the M4 carbine and M16 rifle, identifiable by its tan anti-tilt follower. It is the Army's Improved Magazine, fielded from 2009 to reduce magazine-related stoppages versus the older green-follower magazine.
FSC
1005 — Guns, through 30 mm
Know before you order
Variant chosen: Army Improved Magazine with tan anti-tilt follower, the standard-issue replacement for NSN 1005-00-921-5004 (older green-follower magazine).
The newer Enhanced Performance Magazine (EPM, blue/gray follower) and Magpul PMAG variants carry different NSNs (e.g. 1005-01-576-5159).
CC BY-SA 3.0 · Raygun at English Wikipedia, via Wikimedia Commons · sourcePhoto unverified
NSNs change: items get superseded, replaced, and re-catalogued. Confirm any NSN in FED LOG or your supply system before ordering. Entries marked Unverified have passed this site's research checks but have not yet been personally reviewed by the site's maintainer.