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  • $7
  • $700
Receiver Thickness

Receiver Flats

AK-Builder Flat

Our receiver flats have been the standard go-to flats for years.  All flats are made with 4130 steel for the best results for heat treating.

Top Rail Fit

$46.95
With Y & I Embossing, 1mm
The front and rear trunnion holes on these flats are pre-punched to help with the installation of the trunnions.  In some cases the front trunnion...
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$44.95
With Y & I Embossing, 1mm
Now with Y & I embossing! These flats can be used for about any 1mm thick 7.62 receiver.  Without the trunnion holes you can put any rear...
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$7.00
These are made from heat treated 4130 steel and the rivets are a copy of an original AK center support rivet. The length is shorter than the 1mm center...
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$45.95
With Y & I Embossing, 1mm
This flat has the magwell and mag dimples to match the 5.45 magazines which are narrower then 7.62 mags.  There are no front or rear trunnion holes....
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$59.95
With Y & I Embossing, 1mm
The Polish Underfolder is the most popular underfolder parts kit and this was the first specialty flat that I had perfected by modifying existing flats in...
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$59.95
With Y & I Embossing, 1mm
These are the correct flats for the AMD-65 parts kits with the sidefolding stock.  These do not need the sidefolder reinforcement plate.  The...
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$14.95
These new plates have been made from the dimensions of original demilled Russian and Bulgarian plates. This plate welds to the rear lower section of...
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$14.95
This is a new design that matches the original plates.  Orders shipped after 9/5/2015 will have the newer design. These are not needed on the Yugo's...
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$59.95
With Y & I Embossing, 1mm
    These are made to work with the Romanian underfolder stocks and will not work with the Polish or Yugo sets.  There is no need to...
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  • Out of stock
Bulgarian Sidefolder AK74SU 5.45 Flat
$49.95
With Y & I Embossing, 1mm
This flat was made for the Bulgarian style sidefolding triangle or polymer stock.  The magwell and magwell dimples are made to fit 5.45...
 
No products with the selected options in stock

  • Out of stock
M92 UNDERFOLDER TRUNNION FLAT, B1-31Y
$59.95
With Y & I Embossing, 1mm
This flat will work with the M92 or M70 that has the flat sided front trunnion . These will NOT WORK with the bulged RPK style trunnions.  ...
 
No products with the selected options in stock

$59.95
With Y & I Embossing, 1mm
THESE DO NOT HAVE ALIGNMENT HOLES IN THEM ANYMORE The AMMS trunnions I have seen are machined unlike the Polish which are stamped and welded...
In Stock
 

$59.95
With Y & I Embossing, 1mm
T h is flat is for using a Bulgarian style rear sidefolding stock/trunnion to make the so called "Khyber Pass" AK's in 7.62x39. Receiver flat...
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$59.95
With Y & I Embossing, 1mm
This flat is specifially made for the Polish Tantal to work with the left side selector and right side safety.  The hole for the selector/safety is a...
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$57.50
1.5mm
Finally there is an alternative to the home builder to make your own professional grade 1.5mm receiver from a flat. The material these are made from is .063...
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$58.50
1.5mm
These flats are for the bulged trunnion RPK 47 7.62 parts kits.  The flats and rails are made from 4130 and are in the soft annealed condition and need...
In Stock