just saw these ar-stoner 450b mags, anyone tried them

Talk about the AR15 style rifles chambered in 450 Bushmaster.

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just saw these ar-stoner 450b mags, anyone tried them

Postby plant_one » Fri Sep 14, 2018 9:05 am

looks like ARSToner has jumped the shark and is now saving us the trouble of finding black followers and machining the half moon crescent into the mag body

anyone used one yet?

https://www.midwayusa.com/product/76118 ... teel-black
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Re: just saw these ar-stoner 450b mags, anyone tried them

Postby buckeye3405 » Fri Sep 14, 2018 11:37 am

They look like the factory 450BM mags that came with my 16" Bushy made upper. I have 1 factory mag with the black follower and 2 Bartz mags with the blue followers. I've had 0 malfunctions with any of my mags. One thing I do notice is that when the top round is pushed back against the metal lips of the magazines it will hit the bolt catch upon insertion. The top round must be pushed ahead just slightly if being loaded into a rifle with the bolt locked back. It seems as though on a standard 5.56 mag the rounds and not interfering with the portion of the follower that engages the bolt catch on the last round. Just one minor observation I've made. If they are loaded into a rifle with the bolt closed and loaded by pulling the charging handle to the rear and released there is no issue. When i first built my 450 I thought something was wrong. Just seems to be the nature of the 450 beast.
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Re: just saw these ar-stoner 450b mags, anyone tried them

Postby Al in Mi » Fri Sep 14, 2018 11:44 am

I bought about a dozen of these on their black Friday sale couple years ago.

They have some sharp edges around the feed lips like every other mag, but a few minutes with a cratex wheel in a dremel dehorns them and they work great.
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Re: just saw these ar-stoner 450b mags, anyone tried them

Postby plant_one » Sat Sep 15, 2018 8:36 am

thanks al, appreciate the pointers.
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