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2/21/2010 7:20:02 PM EDT
I have a bushmaster m4a3 and would like to put on a Noveske KX3 flash suppressor with a free float rail system that ends where the suppressor begins.  I believe I have to change my barrel as my Izzy is perminantly attached.  Does anyone run a settup like this?  What kind of barrel, rail, gas block settup would work best?  Are there concerns with barrel length to be legal?  Any help would be greatly appreciated.
2/22/2010 8:13:11 AM EDT
[#1]
The KX3 is for SBRs & pistol length barrels. It really has no use on a 14.5 barrel.
2/22/2010 11:13:18 AM EDT
[#2]
I understand the KX3 is for SBR's.  I'm looking to create one with either a 7.5 or 10.5 barrel.  I'm curious of combo's people have used to achieve a flush KX3 and rail combo and any info on the legality of having a barrel less than 16.  Thanks.
2/22/2010 11:33:20 AM EDT
[#3]
To have a barrel under 16" you must put it on a pistol lower or be approved for a tax stamp by the ATF. Visit the Armory Class III forum for further about obtaining one, if they are legal in your state.
2/22/2010 12:21:42 PM EDT
[#4]
Thank you for your help
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