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Mfg Item #: COL-A18B
The ProMag AR-15 M-16 .223 5.56x45mm 30 Round Magazine fits AR-15 and M16 .223 and 5.56x45mm rifles. The magazine body is constructed of a proprietary DuPont based polymer and an injection molded magazine follower. The magazine spring is formed from heat treated chrome silicon wire and is made in the USA.