short barrel MR223

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rajczak_kashka

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Has anyone who own a MR223 found a shorter barrel for these? I am contemplating the idea of a shorter barrel and was wondering what the options are. I would like a 10.4" but have heard that the gas block would also need modification on the current set up? I have also heard that it would be fine? Do not want to go with "chopping" the barrel and having the end threaded to accept flash hider as altering the barrel is illegal...no? Also, do not want to chop the barrel as results may not be as desired....ie: may not cycle.......would like some opinions here from guys who actually own these guns not more confusing speculation like on other boards.
Feel free to PM me if you so choose.

Thanks
 
rajczak_kashka said:
Has anyone who own a MR223 found a shorter barrel for these? I am contemplating the idea of a shorter barrel and was wondering what the options are. I would like a 10.4" but have heard that the gas block would also need modification on the current set up? I have also heard that it would be fine? Do not want to go with "chopping" the barrel and having the end threaded to accept flash hider as altering the barrel is illegal...no? Also, do not want to chop the barrel as results may not be as desired....ie: may not cycle.......would like some opinions here from guys who actually own these guns not more confusing speculation like on other boards.
Feel free to PM me if you so choose.
Thanks
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Only an HK416. My understanding also is that the gas block may need some modification. Even if you could reduce the barrel (which you can't, see below), I think there's a better than even chance you wouldn't be happy with the end result.

Prohibited firearms include:
...rifles and shotguns that have been altered by sawing or other means so that their barrel length is less than 457 mm (about 18 inches) or their overall length is less than 660 mm (about 26 inches);
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Also found these in the archives:
http://www.canadiangunnutz.com/forum/showthread.php?t=359030&highlight=mr223

The Gas Block on the Hk416 is different for the 10.4 or the 14.5 barrels.
The gas port will be different as well.
Your going to junk the gun if you try to chop it.
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Something else to think about. When factory barrels are turned on a lathe they are held by the chuck at one end and a center at the other. Sometimes there is a slight bend in the barrel but as long as they are cut center to center it doesn't matter. The rifle will shoot straight. However if you trim a barrel down you can eliminate that centering and next thing you know you have a rifle that shoots way off to one side and you sights may not have enough windage to correct it.
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If your barrel is shortened, you may have to relocate and or enlarge the gas port for reliable cycling of the system. If you have a lathe and some other tools (drill, hammer, punch, marker, measuring device, parkerizing technology, etc,), and are patient and know what the diameters and the distances are, it is not that big a deal. You most certainly will not junk the gun, only the barrel (which you can get replaced).
 
oenone said:
If your barrel is shortened, you may have to relocate and or enlarge the gas port for reliable cycling of the system. If you have a lathe and some other tools (drill, hammer, punch, marker, measuring device, parkerizing technology, etc,), and are patient and know what the diameters and the distances are, it is not that big a deal. You most certainly will not junk the gun, only the barrel (which you can get replaced).
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It is a BIG DEAL, because you are going to jail for doing it. (MR223 barrel is already under 18")
 
P90Puma said:
It is a BIG DEAL, because you are going to jail for doing it. (MR223 barrel is already under 18")
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No, it's not a big deal if you are a manufacturer, as you are manufacturing a new barrel. Note that I never mentioned who is doing the shortening, as the legalities of doing such a thing are well covered in the rest of this thread. I did, however, provide information that technically, it is possible to do, which this thread lacked. Get informed, tell a friend!
 
oenone said:
No, it's not a big deal if you are a manufacturer, as you are manufacturing a new barrel. Note that I never mentioned who is doing the shortening, as the legalities of doing such a thing are well covered in the rest of this thread. I did, however, provide information that technically, it is possible to do, which this thread lacked. Get informed, tell a friend!
Click to expand...

A manufacturer's license does not allow them to shorten a gun's existing barrel. That is not manufacturing, that is gunsmithing. Perhaps you need to heed a little of your own advice... ;)
 
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