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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

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  • Out of stock
M92 UNDERFOLDER TRUNNION FLAT, B1-31Y
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$59.95
M92 Underfolder Trunnion Flat
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
  • Out of stock
Bulgarian Sidefolder AK74SU 5.45 Flat
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$49.95
Bulgarian Sidefolder AK74SU 5.45 Flat
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
Romanian MD63/M65 Underfolder Flat
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$59.95
Romanian MD63/M65 Underfolder Flat
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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UNDERFOLDER REINFORCEMENT PLATE, A2-41
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$14.95
Underfolder Reinforcement Plate
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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New Sidefolder Reinforcement Plate
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$14.95
Triangle Sidefolder Reinforcement Plate
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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Hungarian AMD 65 Receiver Flat
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$59.95
Hungarian AMD 65 Receiver Flat
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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Polish Underfolder Flat
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$59.95
Polish Underfolder Flat
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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AK74 5.45x39 Fixed Stock Receiver Flat
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$45.95
AK74 5.45x39 Fixed Stock Receiver Flat
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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