ProMag COL-19 AR-15 Magazine 5RD .223 REM/5.56 NATO Blued Steel - 223 Remington/5.56 NATO Caliber, 5 Rounds, Aftermarket Origin, AR-15 Model
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A 5-rd Magazine for AR-15 rifles chambered in .223cal/5.56x45mm, with the body of the G.I. 20-rd magazine. Magazine body constructed of heat treated steel with a black oxide finish for durability and harsh use in the field. A Chrome-silicon wire spring and precision molded polymer follower ensure reliable feeding and function.