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Old October 9th, 2019, 08:52 AM #1
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.300 Black Out Magazines

What mags are you using for .300 BO in an AR?

I know that standard Magpuls are not good due to the internal ribs. They do have a .300 BO mag, are they good to go?

Others?

Thanks.
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Old October 9th, 2019, 08:53 AM #2
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I have a few AR stoner 20rd mags that work fine. I haven't looked at the magpul 300blk specific mags.
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Old October 9th, 2019, 09:04 AM #3
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The Magpul 300 BLK mags work fine in my rifle.
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Old October 9th, 2019, 09:05 AM #4
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I use Standard 5.56 mags, never had an issue.
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Old October 9th, 2019, 09:06 AM #5
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I use the standard Magpul ones and never had a single problem.
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Old October 9th, 2019, 09:10 AM #6
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I use the 300blk out mags from magpul, bought the dyeable bottoms to color offset them from others.
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Old October 9th, 2019, 09:14 AM #7
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I use Lancer mags. They have a steel feed lips plus you can't mistake them for the magpul ones that I use for the .223 / .556 AR. Lancers are translucent so a quick visual makes sure I've grabbed the right one. These are Chad approved.
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Old October 9th, 2019, 10:04 AM #8
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Quote:
Originally Posted by holesonpaper View Post
I use the standard Magpul ones and never had a single problem.
What grain rounds?

I am looking at around 200 grain bullets for subsonic with suppressor.
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Old October 9th, 2019, 10:10 AM #9
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FDE Magpuls for me. I use black for .223 and OD for 5.45. Hand guards on each firearm matches the caliber to reduce confusion.
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Old October 9th, 2019, 10:12 AM #10
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I use the 20rd Lancer 300blk mags. Didn't have any problems with supers or subs (200 & 220). And as stated above, there is no mistaking the difference between them and the magpuls I use for 556/223.
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