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Posted: 12/14/2016 1:35:58 AM EST
Anyone here cut down their SLR? I'm wanting to tackle this myself and looking for some guidance on the process from those that have done it.
Link Posted: 12/14/2016 2:41:07 AM EST
Take off the thread protector, then take a washer with a diameter larger than the barrel. Next push it against the back of the barrel snug against the threads and tape it there, I used painters tape however whatever you have to keep it from moving will work. Next get a new hacksaw blade and put it flush against the washer and start cutting using the washer as a guide. Once this is complete you'll want to file the end of the barrel getting rid of the cut marks and squaring everything up. Then take a brass screw and some valve polishing compound and use a drill to put a crown on it clean the barrel of any metal shavings and go shoot that bad boy. Mine was a 104ur for reference.
Link Posted: 12/14/2016 12:13:47 PM EST
The 107UR needs to have the gas port open up as well. This is easier to do before you cut the barrel down.


You will need to knock the pins out of the front sight, press off gas block/front sight, open up port to 3mm and reinstall. Then cut crown barrel.

Link Posted: 12/14/2016 12:15:03 PM EST
[Last Edit: 12/14/2016 12:15:58 PM EST by 1911nick]
If you don't open up the port you will have a single shot AK as the gun will not cycle. If you have any more questions let me know.
Link Posted: 12/14/2016 2:48:50 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 1911nick:
The 107UR needs to have the gas port open up as well. This is easier to do before you cut the barrel down.
http://i3.photobucket.com/albums/y64/94SVTsnake/2015-07/BD389EE9-D5EE-4C65-A34A-DDA5A5D3447C.jpg

You will need to knock the pins out of the front sight, press off gas block/front sight, open up port to 3mm and reinstall. Then cut crown barrel.

http://i3.photobucket.com/albums/y64/94SVTsnake/2015-07/20320658-DC0B-48D7-9B70-A1AF9120AB00.jpg
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Thanks. I was afraid of that.
Link Posted: 12/14/2016 2:49:22 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 2020tactical:
Take off the thread protector, then take a washer with a diameter larger than the barrel. Next push it against the back of the barrel snug against the threads and tape it there, I used painters tape however whatever you have to keep it from moving will work. Next get a new hacksaw blade and put it flush against the washer and start cutting using the washer as a guide. Once this is complete you'll want to file the end of the barrel getting rid of the cut marks and squaring everything up. Then take a brass screw and some valve polishing compound and use a drill to put a crown on it clean the barrel of any metal shavings and go shoot that bad boy. Mine was a 104ur for reference.
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Thank you. Very helpful instructions.
Link Posted: 12/14/2016 5:35:03 PM EST
Mine didn't have a restrictor. BE540 is the first part of my SN.
Link Posted: 12/14/2016 7:39:39 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By LongBeach:
Mine didn't have a restrictor. BE540 is the first part of my SN.
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Is there a way to tell without removing the gas block?
Link Posted: 12/15/2016 4:23:49 PM EST
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Originally Posted By Dana1972:



Is there a way to tell without removing the gas block?
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Not that Im aware of. I had to shoot it to find out. I also just realized that yours is a 107 and mine is a 104. Thats probably why mine didn't have a restrictor. Sorry about that.
Link Posted: 12/15/2016 8:48:58 PM EST
As far as I'm aware all 107's have the restrictor.
Link Posted: 12/15/2016 10:06:25 PM EST
I plan on just sending mine to someone to open it up and chop the barrel.
Link Posted: 12/17/2016 12:14:25 PM EST
I did exactly this on my 107CR. Came out perfect.
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 2020tactical:
Take off the thread protector, then take a washer with a diameter larger than the barrel. Next push it against the back of the barrel snug against the threads and tape it there.
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