Installing Chamber Tactical Big Bore Follower For Standard Capacity Mil-Spec GI AR-15 Magazines

Installing some followers on some cheapo GI mags for use with 450 Bushmaster, 458 SOCOM, and 50 Beowulf.

https://www.youtube.com/c/DummyRound
https://dummyroundreloading.com/
https://rumble.com/user/DummyRound
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https://www.instagram.com/dummyroundofficial/

I am not affiliated with Chamber Tactical, but here is their link https://www.chambertactical.com/product/ar-big-bore-follower-new/