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  #81  
Old 05-22-2012, 4:02 AM
Roccobro Roccobro is offline
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Originally Posted by moulton View Post
I was debating between the Romanian and the Polish... I finally settled on the Romanian so I logged in after work tonight only to find they were out of stock - kind of a shock since there were like 15 of them on Friday. So I sprinted on the Polish kit with a installed chrome lined barrel. Sadly it looks like someone cleaned ak-builder out of all the 1 mm center supports
I've got some 1mm AKB Center Supp's if you don't find one in time for your build.

Justin
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  #82  
Old 05-22-2012, 7:24 AM
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Sadly it looks like someone cleaned ak-builder out of all the 1 mm center supports
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  #83  
Old 05-22-2012, 7:28 AM
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i wonder who would . . .
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  #84  
Old 05-22-2012, 8:21 AM
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Originally Posted by 69Mach1 View Post
I lined up the rear of the blank and an AK Builder flat, and everything was good, and the cuts matched. I did trim the front down just slightly to bring it closer to the flats length. In the next pic you will notice that the mag well cut out on the blank is not complete. The cut for the trigger is also shorter than the AK Builder. This is how the flat should orient on the Polish blank. Then you just open up the rear of the mag well in the blank to match.
Did you insert the front trunnion and triggerguard and clamp them in and check mag fit? I did and didnt have to open up the magwell at all. Used the triggerguard plate to layout the holes and had about .02 setback from the back edge of the magwell for a nice tight mag fit. Took all measurements from a AKB flat.

D.
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  #85  
Old 05-25-2012, 6:49 PM
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Ak builder made a jig for these

http://ak-builder.com/index.php?disp...oduct_id=30337

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  #86  
Old 05-25-2012, 6:54 PM
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Now all I need is a rivet thingamagigy and a pistol kit and I'll be in good shape!
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  #87  
Old 05-25-2012, 7:10 PM
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HAHA! Curtis is a damned genius.
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  #88  
Old 05-25-2012, 7:29 PM
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HAHA! Curtis is a damned genius.
That's what I was thinking. He is selling the blanks too, with CS and rails. He's gotta sell something since he is out of kits
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  #89  
Old 05-25-2012, 7:32 PM
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That was fast!
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  #90  
Old 05-25-2012, 8:44 PM
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Funny first thing I thought was what a genius to move on the new market so quickly. So who's gonna buy one and test it out???

-MRA
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  #91  
Old 05-25-2012, 9:43 PM
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Funny first thing I thought was what a genius to move on the new market so quickly. So who's gonna buy one and test it out???

-MRA
I'd be willing to share the costs with one more person and try this out.
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  #92  
Old 05-25-2012, 11:24 PM
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If someone wants to buy one and let me use it I'll let you use all my other akbuilder tools, if u come to my place.
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  #93  
Old 05-25-2012, 11:40 PM
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I'd be willing to share the costs with one more person and try this out.
Where are you located?

-MRA
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  #94  
Old 06-01-2012, 9:22 PM
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Jayruta helped me build my Romy G kit and it's great. I just ordered two Poli bends and the jig. If anyone wants to try it out, let me know. I might need a riveting jig for borrow. Will let all know how the poli jig works.
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  #95  
Old 06-01-2012, 11:22 PM
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Originally Posted by gesundheit View Post
I'd be willing to share the costs with one more person and try this out.
I'lll have one at the next AK BP. Wether you make it or not!

Justin
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  #96  
Old 06-02-2012, 11:06 AM
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Quote:
Originally Posted by MadRiverArms View Post
Funny first thing I thought was what a genius to move on the new market so quickly. So who's gonna buy one and test it out???

-MRA
Got mine yesterday, this is after I drilled all the holes on my 2 Polish blanks without it. For me it just verified that I did do all the holes in the correct positions. It helps to have a mill, and flats not bent and some that are.
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  #97  
Old 06-02-2012, 1:06 PM
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Originally Posted by Roccobro View Post
I'lll have one at the next AK BP. Wether you make it or not!
Awe man! This is like twisting my arm
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  #98  
Old 06-02-2012, 2:55 PM
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My Receiver is annealing in my kiln as we speak . The build has been a learning process thus far, most of the work was done with a dremel and a hand drill...so while not the best quality it has been fun. I'll let you guys know how it turns out! I still need to figure out how to remove the barrel pin, rivet the front trunnion and reinsert the barrel
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  #99  
Old 06-03-2012, 2:17 PM
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Originally Posted by moulton View Post
My Receiver is annealing in my kiln as we speak . The build has been a learning process thus far, most of the work was done with a dremel and a hand drill...so while not the best quality it has been fun. I'll let you guys know how it turns out! I still need to figure out how to remove the barrel pin, rivet the front trunnion and reinsert the barrel


I've got you covered
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  #100  
Old 06-03-2012, 4:11 PM
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I annealed my Polish 80% receiver in a ceramic's kiln last night. I set it up to rise to 500 degrees (f) over the course of two hours, hold at 500 degrees (f) for two more then cool. Here is the result:


Is it normal to be so blue? [B)][?]
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  #101  
Old 06-03-2012, 4:43 PM
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I've never done a full receiver heat treat, but here's a link that may help.
http://www.ar15.com/forums/t_4_51/11..._Treating.html
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  #102  
Old 06-03-2012, 4:53 PM
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Did you cut the rear under folder holes out ?


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Originally Posted by moulton View Post
I annealed my Polish 80% receiver in a ceramic's kiln last night. I set it up to rise to 500 degrees (f) over the course of two hours, hold at 500 degrees (f) for two more then cool. Here is the result:


Is it normal to be so blue? [B)][?]
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  #103  
Old 06-03-2012, 9:36 PM
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Quote:
Originally Posted by moulton View Post
I annealed my Polish 80% receiver in a ceramic's kiln last night. I set it up to rise to 500 degrees (f) over the course of two hours, hold at 500 degrees (f) for two more then cool. Here is the result:


Is it normal to be so blue? [B)][?]
Your center support and rails should have been installed first. OK I think I see welds for the rails, where's the CS?
Yes that's one of the colors it turns on the way up to the critical temp. How did you fully heat treat without any warping?
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  #104  
Old 06-03-2012, 10:27 PM
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Your center support and rails should have been installed first. OK I think I see welds for the rails, where's the CS?
Yes that's one of the colors it turns on the way up to the critical temp. How did you fully heat treat without any warping?
Wow, I feel like an idiot.... As for the center support, I am still waiting on that to be delivered. The rails were welded on yesterday and then ground flat. I then heat treated the receiver with a MAPP torch, heating the three holes on each side until they turned red, along with the rails. I was able to avoid allot of the warpage by only heating an inch or two at a time. I quenched in water and only had minor warping which I was able to pull back into shape rather easily.

So just to be clear, the blueish color is normal for the annealing process?
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  #105  
Old 06-03-2012, 10:37 PM
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Originally Posted by moulton View Post
Wow, I feel like an idiot.... As for the center support, I am still waiting on that to be delivered. The rails were welded on yesterday and then ground flat. I then heat treated the receiver with a MAPP torch, heating the three holes on each side until they turned red, along with the rails. I was able to avoid allot of the warpage by only heating an inch or two at a time. I quenched in water and only had minor warping which I was able to pull back into shape rather easily.

So just to be clear, the blueish color is normal for the annealing process?
3 holes? Generally only the 2 trigger pin hole on either side are heat treated. Yes that blue is from the metal oxidizing, NoDak Spud receivers are that uniform blue color all over but they smell like Kroil.
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  #106  
Old 06-03-2012, 10:45 PM
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Originally Posted by SJgunguy24 View Post
3 holes? Generally only the 2 trigger pin hole on either side are heat treated. Yes that blue is from the metal oxidizing, NoDak Spud receivers are that uniform blue color all over but they smell like Kroil.
I heat-treated the two FCG holes and the center support holes. Good to know that the color is normal, next on my list is install the center support....whenever it arrives.
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  #107  
Old 06-05-2012, 8:34 AM
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Well I'm going to be selling mine. I have three but am not going to have the time or money to finish any of them any time soon. I also have learned that this probably isn't the best way to do your first build. So keep an eye out for my thread.


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  #108  
Old 08-23-2012, 10:18 AM
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The Curtis flat is a bit thinner than the blank. You can easily tell by looking at the front or back.
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  #109  
Old 09-03-2012, 10:17 AM
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Do you still need the pistol grip plate on the polish 80% receiver? I have yet to find a picture of an pmkms with that reinforcement plate.
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