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Magazine, AR15, 4.6x30mm, 40rd
More rounds with fewer magazines.
With similar exterior dimensions to most 30rd 5.56mm AR magazines, the CMMG® FourSixTM 4.6x30mm magazine boasts 40 round capacity, and is designed to work with any AR15 lower receiver. Once you pair the lower of your choice and FourSix magazine with a CMMG 4.6x30mm upper receiver, you're ready for range time. Designed exclusively to feed the 4.6x30mm cartridge.
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