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brass catcher

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Unread 03-25-2012, 04:24 PM
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Join Date: Jan 2008
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Re: brass catcher

Originally Posted by LouBoyd View Post
The only AR-15 I know of which effectively has a built in brass catcher is an AR-15 lower with an AR-57 upper in 5.7x28 FN. With this setup the modified 30 round magazine in the AR-15 lower servers as the brass catcher and will hold all 50 shots of the FN brass. The brass catcher releases like a normal mag and dumps easily. The mod is easy, just remove the spring and follower and cut the magazine off flush with the top of the lower receiver, a single straight cut. The 5.7x28 isn't an especially "long range" cartridge but it's good for varmints to a few hundred yards. This isn't mine but I have a pistol version which works the same way.

Thats cool but it seams like the brass would build up and jam the action from the bottom
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Unread 03-25-2012, 04:51 PM
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Join Date: Oct 2007
Location: Patagonia Mountains, Arizona
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Re: brass catcher

Originally Posted by ICANHITHIMMAN View Post
Thats cool but it seams like the brass would build up and jam the action from the bottom
The 5.7x28 brass is about the size of 22 Mag brass. The 30 round lower mag will hold 50 cases since it has no spring or follower. A lot of room in there. Just dump the brass catcher each time you change the 50 round FN mag. It won't hold 100. It will jam if you try to shoot the rifle upside down.

Repeating rifle designs which don't drop brass have been around a long time like this in 45 LC.

Last edited by LouBoyd; 03-25-2012 at 06:20 PM.
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Unread 03-25-2012, 11:10 PM
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Join Date: Jan 2009
Location: Little Falls, MN
Posts: 251
Re: brass catcher

Bushmaster Varmint does a very good job of dropping them in the same spot , provided you don't move around .
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Unread 03-26-2012, 02:14 PM
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Join Date: Feb 2012
Posts: 10
Re: brass catcher

I've been using a Caldwell brass catcher and really like it. It's never in the way even packing the rifle around. It'll hold 30 rounds easy. Cheep to.
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Unread 03-26-2012, 02:51 PM
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Join Date: Jun 2006
Location: Memphis, TN. Soon to be Casper, WY.
Posts: 494
Re: brass catcher

This man has a brass catcher that is a new design and is out for product testing right now. It is much better than the strap on bags that most people use.

Home Page

You will need to keep an eye on the site, though. He'll put it up when it goes into production, shouldn't be very long.
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Unread 04-02-2012, 02:22 PM
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Join Date: Feb 2011
Location: Texas
Posts: 38
Re: brass catcher

If you are on a bench, or prone and not running and gunning....Tie a bandana around your scope base. It will drop all your brass under the mag well.

Nocte Venator
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Unread 05-20-2012, 12:38 PM
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Join Date: May 2009
Location: roanoke,va.
Posts: 324
Re: brass catcher

You should look at 3BUCC.com catchers. They are worth the price he asks. It has a hard plastic piece you slide onto the Picatinny rail and lock with the screw. The bag has two metal pins that you push into the matching holes in the base. He offers several colors. Works great and I have several. You can buy several "mounts" and one bag to save some green.
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