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ProMag RM40FDE Standard 40rd Detachable w/Roller Follower 5.56x45mm…
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This replacement or spare magazine is compatible with your AR-15. It is constructed of DuPont Zytel polymer with anti-tilt roller mag follower and mag spring formed from chrome silicone wire. Made in the USA.
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$9.22Closest matches by brand, type, and specifications.
