AK SBR Project : Yugo M92 PAP

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AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 4:53 am

I meant to post two weeks ago. So busy!
I bought a Yugo M92 PAP at the start of Feb. Here are the out of the box Pics.
I’m not going to do much in the way of stock review. There is plenty of that floating around the internet.

Image

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I have wanted to get an AK pistol for an SBR Form 1 conversion for some time. I waited because I really was not happy with any of the Dracos I handled the last 5 or 6 years since Century started coming out with them. The price was right for the Draco a few years ago, 350 to 450, but I wanted something nice for my 200 tax stamp.

I got my hands on the PAP this year and loved it.
I like the feel. The finish is great. And it has more of a Krink look.
I have a buddy who is a Class three dealer and he was able to get this one for about 750 out the door.
Not a great price, but not bad in these times and market conditions.

I got some upgrades ordered.
I got the Tax stamp sent off this week.

So here are the plans
-Kerbs extended safety Lever
-Manicore Night Brake Muzzle Brake (922r Comp x 1)
-G2 Tapco trigger (922r Comp x 3)
-Stormwerks Optics rail mount
-Trijicon RMR Green Dot optics
-Ronin Grip and handguard set in Dark Plum (922r Comp x2)
-U.S Made Gas piston (922r Comp x1)
-Arsenal Follower (922r Comp X1)
- Some type of stock (Not Sure Yet: Either U.S. Machine Gun Adaptor or VZ58 folding stock)

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 5:03 am

O.K I decided on using a folding stock off a vz58.
I decided after reading this post on another site about fixing them to a Draco

http://www.ar15.com/forums/t_4_98/130137_.html" onclick="window.open(this.href);return false;

I found someone in the Cech Republic selling them on EBAY factory new for 65 bucks a piece.
I bought three not knowing the condition they would be in.
I figured I could cherry pick the best one and sell the other two.

After few weeks of waiting they arrived. All brand new with the factory grease on them.
Image

Image

The rear Trunnion is not square and slightly slanted. Below is a link showing I mean.
http://ingunowners.com/forums/class_iii ... pap-4.html" onclick="window.open(this.href);return false;

So with the rear Trunnion not being square, I was worried about mounting directing into the trunnion with this type of stock.
But, after getting the VZ58 in my hand, I noticed the mounting part of the vx folding stock is slanted in the same mannor.
It will mount correctly and strait without an adopter or any other device.

So far the only work done was restaining the wood in Dark Walnut and installing the Krebs safety lever.
To remove the old Safety Lever, you have to remove the trigger.
To install and remove the Krebs you do not.
Last edited by Rick Shaw on Sat Feb 23, 2013 5:23 am, edited 3 times in total.

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 5:04 am

Please note the stock is not mounted in anyway.
It is just sitting next to the firearm. No NFA violation.

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 5:16 am

List of parts ordered and where I got them

Krebs Safety Lever (Arrived)
http://www.midwayusa.com/product/137198 ... teel-matte" onclick="window.open(this.href);return false;

Tapco G2 Trigger (Arrived)
http://www.midwayusa.com/product/537906 ... teel-matte" onclick="window.open(this.href);return false;

Arsenal Mag Follower (Arrived)
http://www.midwayusa.com/product/467293 ... ymer-black" onclick="window.open(this.href);return false;

Stormwerks Optics Mount (Arrived)
http://www.stormwerkz.com/Description_P ... Views.html" onclick="window.open(this.href);return false;

Manicore Night Brake for 26mm threads (Arrived Friday 2-22)
http://www.ratworxusa.com/pagDetail.asp ... ightShroud" onclick="window.open(this.href);return false;

Manicore Muzzel Detent Pin and spring for Yugo M92 and M85 (Arrived)
http://www.ratworxusa.com/pagDetail.asp ... Detent-Kit" onclick="window.open(this.href);return false;

Ronin Grips: Handguards in US Dark Plum (Back Order 2 Weeks)
http://shop.roninsgrips.com/Yugoslavian ... errule.htm" onclick="window.open(this.href);return false;

Ronin Grips: Yugo Fat Cap in US Dark Plum (Back Order 2 Weeks)
http://shop.roninsgrips.com/Yugoslavian ... at-Cap.htm" onclick="window.open(this.href);return false;

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 5:19 am

With most of my parts here today
I will be doing some work

Ill take some pictures and post tonight

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Re: AK SBR Project : Yugo M92 PAP

Post by Ten Eight » Sat Feb 23, 2013 8:24 am

Looking good! How is the cheek weld with that stock?
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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 9:20 am

Ten Eight wrote:Looking good! How is the cheek weld with that stock?
not sure yet
in 6 months when the tax stamp comes back
I'll let you know.

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 9:21 am

I’m going to break this up into several post.
Krebs extended safety lever was easy.
-Take out the trigger
-Remove the stock safety lever
-Replace trigger
-Insert Krebs safety Lever

Only issue is the notch that locks onto the surface of the receiver that helps hold its position is in a different location on the Krebs. So I drilled a small dip on the receiver for the notch in the Krebs lever.

Image

The Green circle are the new notchs and the red are the old.
After drilling I used a little gun blue to refinish the spot I drilled.
Finding a spot to drill is easy.
Work the new lever a few time and a faint wear spot will show.
Drill at the end of the travel wear.

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 9:22 am

The storm work optics rail is pretty nice.
It sells for about 50 bucks and is CNC machined aluminum. Very sturdy.
I found US machine gun had a plastic optic rail for 20 bucks, but opted for the metal one.

You do have to drill into the top cover to install.
Stormwerks included a detailed instruction sheet that included measurements and drill bit size. I used a micrometer to ensure proper hole placement went one size drill bit on the two hole in the middle to give me some room for error. Took about 15 minutes total.

Image

Image

Again this is a great mount and would work great for a micro mount like a Micro T or vortex SPARC
But I have a trijicon RMR.

I don’t have a picture, but when I mounted the RMR with the weaver mount, it sat like 1.5 inches off the top cover. That is to high for my taste. I did not like that set up at all.

So I did some brain storming and looked at the trijicon weaver mount.
It is a two piece unit (one part that mounts to the rail and one part that mounts to the RMR) held together by two linear machine screws.
I could separate the mount and mount the upper half directly to the top cover cutting almost an inch off.

Luckily I found a spare YUGO top cover at a gun show last weekend for 75 bucks. I bought it for this project in case I had an oops drilling the original top cover for the storm werks optic mount.

I had to pound out the hinge pin. It was press in pretty good. Changed top covers and drilled two holes for the RMR Mount. Turned out pretty good.

Image

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Now, since I knocked the pin out of my top cover and it is unusable now, I need a new way to secure the top cover to front barrel trunnion. So I ordered an easy Take down pin from Ronin Grips

http://shop.roninsgrips.com/Yugoslavian ... ownPin.htm" onclick="window.open(this.href);return false;

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 9:23 am

The threads are an odd ball size. 26mm

On the Yugo Pap they are covered by a thread projector that is welded on.
You have to cut the weld and the thread protector easily unscrews.

The weld is not as easy to cut. You will need a dremel with a cutting wheel
After cutting the thread protector gets pretty chewed up.
Image

Also the dremel can cut into your gas block so be very careful.

After removing the thread protector I filed down what was left of the weld and refinished with Gun Blue. Matched the finish pretty well.
Image

You don’t need the muzzle brake detent pin and spring, but for 15 bucks its not a big investment.
I recommend it.
Image

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 9:24 am

So far the project is moving along
-I got the stock I want
-The tax stamp is sent in
-I have the optic mounted and most of the parts in my hands
-I’m just waiting for my Furniture

Here is the mock up of the project to date.
Image

Again, the stock is not mounted in any way.
It is just sitting next to the gun.
No NFA violations.

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Re: AK SBR Project : Yugo M92 PAP

Post by hatchtrikk » Sat Feb 23, 2013 9:57 am

Looking good man!

Do you get any sort of cowitness with the RMR? Do you plan on running a flashlight and sling as well?
My Draco SBR: http://zombiehunters.org/forum/viewtopi ... 09&t=79016" onclick="window.open(this.href);return false;

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sat Feb 23, 2013 7:27 pm

hatchtrikk wrote:Looking good man!

Do you get any sort of cowitness with the RMR? Do you plan on running a flashlight and sling as well?
No Co-Witness and I don't think you want it with these sights.
The rear sight is very narrow and you can barely see the front sight post.

I'm not big on flashlights.
The VZ58 stock has a built in sling mount.

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Re: AK SBR Project : Yugo M92 PAP

Post by PistolPete » Sat Feb 23, 2013 8:18 pm

Thanks for documenting this! I look forward to seeing the final result.
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Re: AK SBR Project : Yugo M92 PAP

Post by TravisM.1 » Sat Feb 23, 2013 8:24 pm

I dunno about that pistol grip, but otherwise I dig it.
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Re: AK SBR Project : Yugo M92 PAP

Post by TEC9man » Sun Feb 24, 2013 6:58 am

I want to pick up the 5.56 version of it. I won't make it a SBR, just put a one point sling adapter on it. Or maybe get a shoulder holster made.
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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sun Feb 24, 2013 9:27 am

TEC9man wrote:I want to pick up the 5.56 version of it. I won't make it a SBR, just put a one point sling adapter on it. Or maybe get a shoulder holster made.
I'm not a fan of Pistol Cal pistols.
I'd rather pay the 200 tax stamp and make it a more effective platform.

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Re: AK SBR Project : Yugo M92 PAP

Post by Turtlewolf » Sun Feb 24, 2013 10:47 am

I'm tagging this for interest, although AK's are flat out prohibited here we do have the excellent VZ58s in many forms in both 7.62x39 and .223/5.56x45 and for some reason this particular build looks sexier than most.
Also your builds are always neat Rick.
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Re: AK SBR Project : Yugo M92 PAP

Post by feedthedog » Sun Feb 24, 2013 12:30 pm

This is wonderful. I think I may have to do a similar project once prices return to more normal levels.

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Re: AK SBR Project : Yugo M92 PAP

Post by TEC9man » Sun Feb 24, 2013 2:21 pm

J+G Sales has them for $699 last I saw and $35 for extra mags.
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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Sun Feb 24, 2013 4:33 pm

TEC9man wrote:J+G Sales has them for $699 last I saw and $35 for extra mags.
Apex has the YUGO mags with the bolt hold open for 32 dollars.

https://www.apexgunparts.com/product_in ... cts_id/757" onclick="window.open(this.href);return false;

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Re: AK SBR Project : Yugo M92 PAP

Post by PotatoMuncher » Sun Feb 24, 2013 8:50 pm

Man, I really dig that folding stock. If my Tantal could take one, I would go that route.
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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Mon Feb 25, 2013 4:14 am

PotatoMuncher wrote:Man, I really dig that folding stock. If my Tantal could take one, I would go that route.
Its light and short.
LOP is around 13 inches or a M4 stock on the second closet position.

It should be easy to install to.
Just need to cut a notch on top on the trunnion, drill a hole and tap it.
I got 6 months to wait and I can hardly stand it.

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Re: AK SBR Project : Yugo M92 PAP

Post by Rick Shaw » Wed Mar 13, 2013 3:39 pm

My furniture set from Ronin Grips came in.

Image

Overall I’m happy. I am giving this furniture set4 out of 5 stars
The color is called US Plum. It’s a very settle purple, almost black.
The material is a thick durable plastic.
Each piece is marked “US”
Some fitting is required. Only down side. 5 min with a dremel and I was able to fully mount the grip.
The handguards came with rubber shims of different sizes to take the gap between the handguard and retainer. It does the trick of taking the wobble out.

Image

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Again, all NFA rules are being followed. Stock is not mounted in any way.

Also, my cover pin came in from Ronin Grips

Image

Its solid when the cover is closed. You couldn’t drive that pin out with a hammer when the cover is close.
But when the cover is open, slides right out. A good 9 dollar investment to me.

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