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3/25/2006 1:50:04 PM EDT
I’m interested in replacing the original barrel on my Bulgarian SLR 95 with an AK 104 barrel assembly.  I know to do this I would first have to register the gun as an SBR with the ATF or permanently attach a flash suppressor that will bring the overall length to legal size, and that’s not a problem.  This however would be my first such project and I was wondering if anyone could tell me what would be involved. I have limited resources so I was going to use screws to install the new barrel.  I’m pretty sure I can get the old barrel out without a problem.  But I’m not sure about all the details of putting the new one in.  The barrel assembly I am interested in comes from K-var
http://www.k-var.com/shop/product.php?productid=16578&cat=274&page=1
I read somewhere that these assemblies can be problematic because the blocks  aren’t pre drilled for being riveted to the receiver or something like that.  Also I have no idea if I need to or how to adjust headspacing on the new barrel.

Can anyone fill in some blanks or point me in the right direction?  Thanks
3/25/2006 2:19:13 PM EDT
[#1]
you dont want a new barrel
thats alot of work that isnt needed

pull the barrel and have it turned down
then just reinstall it with a new combo block
your trying to make it harder than it is

also you have a milled rec so theres no screws involved


hope this helps you  
3/26/2006 11:28:06 AM EDT
[#2]
I just assumed it would be the same work to take mine out and put it back as it would be to take mine out and put a new one in.  But if altering mine would be easier That’s OK too.  

I do have one question though.  by cutting down that barrel am I going to alter the dynamics of the gas operation?  will I still have enough gas and for a long enough period to make the gun cycle.  Since I would have less barrel the gass pressure would be in it for a shorter period so would I need to open up the gas port in the barrel to compensate?  If so how much?
3/26/2006 1:28:08 PM EDT
[#3]
na wont be a prob

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