Magazine Follower for 450 Bushmaster Caliber

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These are the magazine followers that were used in the .450 caliber rifle when they first came out.

I originally designed this as a single-shot follower for shooting the slow fire stages of NRA Highpower matches when I couldn’t find a single-shot follower I liked.   It was adobted for use as the .450 caliber follower until they began producing one of their own.  You can use a magazine with this follower either as a multi-round .450 magazne, or as a single-shot magazine in a .223 rifle.  It locks the bolt back just like a standard magazine.


No disassembly of the magazine is required – Simply snaps in/out of the top of the magazine in a few secoinds using the included hex key.  No need to buy dedicated magazines for the 450.(You can also use the firing pin from your rifle as an installation tool in a pinch)   Injection molded from tough Delrin ® plastic….haven’t worn one out even after years of use.  It works well in most any of the good quality aluminum and most steel magazines.  

Notes: Please Read

1) I’ve recently found that some steel magazines have feed lips that are spaced too wide for the .450 to hold in the magazine.  If you have steel mags check to be sure the .450 case won’t slip between the feed lips.  (The one I found that was too wide was a 5-round Arma lite® mag)

2) This follower is not sized to fit plastic magazines such as Magpul® and others as they are sized differently inside than metal magazines.

Note:  You will receive (1) magazine follower, (1) hex key installation tool, and instruction card in plastic bag.

Shipping for (1) or (2) followers is flat rate of $2.00

Buy (3) or more and shipping is Free.

Thanks for Looking!

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Fremont Tool