.450 Follower
thingiverse
This is an insert to convert a standard metal AR magazine to accept the .450 Bushmaster cartridge. Simply slip it in at an angle and rotate upright, transforming the magazine in seconds. This conversion also works seamlessly with the .50 Beowulf, and we're confident it will work just as well with the .458 SOCOM. A standard 5.56 30-round magazine can hold ten of these larger rounds in a single stack formation, maximizing firepower without sacrificing ease of use.
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