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Joined: Oct 2012
Posts: 1,925
Campfire Regular
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OP
Campfire Regular
Joined: Oct 2012
Posts: 1,925 |
Is anyone making .400 Legend AR uppers?
Ken
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Joined: Jan 2015
Posts: 7,864
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2015
Posts: 7,864 |
Bear Creek makes 350 Legend. My son has one and it'll kill deer if that's what you're using it for.
"Government is not the solution to our problem, government is the problem."
Ronald Reagan
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Joined: Jul 2008
Posts: 193
Campfire Member
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Campfire Member
Joined: Jul 2008
Posts: 193 |
I believe the 400 Legend is based on the 7.62x39 head diameter case, so this is the largest case that can fit in the AR15 platform but may be too large in regards to bolt strength. Maybe a hybrid between the AR15 and AR10, like the CMMG 7.62x39 rifle which uses a bolt larger than the AR15 might make the best platform for the 400 Legend.
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Joined: Oct 2023
Posts: 596
Campfire Regular
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Campfire Regular
Joined: Oct 2023
Posts: 596 |
I believe the 400 Legend is based on the 7.62x39 head diameter case, so this is the largest case that can fit in the AR15 platform but may be too large in regards to bolt strength. Maybe a hybrid between the AR15 and AR10, like the CMMG 7.62x39 rifle which uses a bolt larger than the AR15 might make the best platform for the 400 Legend. It's based of the 6.8 spc, so it has a smaller diameter.
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Joined: May 2023
Posts: 843 Likes: 2
Campfire Regular
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Campfire Regular
Joined: May 2023
Posts: 843 Likes: 2 |
Mad Dog Weapons Systems (MDWS) makes a 40 cal cartridge and they also make the Fat Cat line of cartridges based on larger cases like the 308 Win shortened, for the AR-15 platform. They open and enlarge the ejection port and use bolts with a reamed out bolt face, making the AR-15 bolt face large enough to accept a .473 cartridge base. They make some "interesting" stuff. They also have some oversized AR-15 upper use, type cartridges as well.
A little more power.....cars, boats and guns.
“To expect defeat is nine-tenths of defeat itself. It becomes a self-fulfilling prophecy. It is best to plan for all eventualities then believe in success, and only cross the failure bridge if you come to it."
Francis Marion - The Swamp Fox
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Joined: Oct 2002
Posts: 13,449 Likes: 2
Campfire Outfitter
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Campfire Outfitter
Joined: Oct 2002
Posts: 13,449 Likes: 2 |
Mad Dog Weapons Systems (MDWS) makes a 40 cal cartridge and they also make the Fat Cat line of cartridges based on larger cases like the 308 Win shortened, for the AR-15 platform. They open and enlarge the ejection port and use bolts with a reamed out bolt face, making the AR-15 bolt face large enough to accept a .473 cartridge base. They make some "interesting" stuff. They also have some oversized AR-15 upper use, type cartridges as well.
A little more power.....cars, boats and guns. Just joined the forum there. A good amount of interesting stuff.
Dog I rescued in January ![[Linked Image from i.postimg.cc]](https://i.postimg.cc/yYDjsxrQ/IMG-0124.jpg)
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