Shortened the barrel on a Yugo. Need to cut threads on it.

Started by 1mlt, March 17, 2016, 01:11:23 PM

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1mlt

March 17, 2016, 01:11:23 PM
What size and threads do I need to cut for a AR style FH? X-RH ?
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Loose}{Cannon

#1
March 17, 2016, 03:24:50 PM
Standard A2 hider is RH 1/2-28
      
1776 will commence again if you try to take our firearms... It doesn't matter how many Lenins you get out on the street begging for them to be taken.

John Galt

#2
May 28, 2016, 08:51:39 PM
I just cut threads on my chicom mixmaster Bubba.  The die is a 15 x 1.  I started it with a pilot and it came out great.  I don't know what is available in 15 x 1 that looks like an A2. 
When the Cambrian measures were forming, They promised perpetual peace.
They swore, if we gave them our weapons, that the wars of the tribes would cease.
But when we disarmed They sold us and delivered us bound to our foe,
And the Gods of the Copybook Headings said: "Stick to the Devil you know."
Rudyard Kipling  1919

Dannyboy53

#3
May 31, 2016, 09:58:59 PM
Quote from: 1mlt on March 17, 2016, 01:11:23 PM
What size and threads do I need to cut for a AR style FH? X-RH ?

Depends on the manufacturer actually, differences in diameter and thread pitch is common.

Loose}{Cannon

#4
May 31, 2016, 10:18:17 PM
In todays civilian market you can find an A2 in just about any thread size you want I'm sure. 
      
1776 will commence again if you try to take our firearms... It doesn't matter how many Lenins you get out on the street begging for them to be taken.

Power Surge

#5
June 08, 2016, 08:43:34 PM
As mentioned, a standard issue A2 is 1/2-28. But, you'll have to machine the SKS barrel way down first. I did it on my current SKS bullpup project (see pic below).

Or, get a flash hider made for 30 cal. They usually are threaded for larger barrels closer to the SKS.

If you do use an actual A2 flash hider, make sure you mic the hole inside to see if there's enough extra clearance for a .30 cal bullet!

sksmcrossvilletn

#6
June 09, 2016, 06:11:24 AM
Put a caliper on it and if you got 14mm on it still go 14x1 lh. Then you can use any AK style flash hider!
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