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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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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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AK47 7.62 Flat With Trunnion Holes
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$46.95
AK47 7.62 Flat With Trunnion Holes
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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Y & I Optional Embossing
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$44.95
Standard AK47 Fixed Stock 7.62 Flat
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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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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  • 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...
 
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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
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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HUNGARIAN AMMS AK63 UNDERFOLDER FLAT, B1-51Y
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$59.95
Hungarian AMMS AK63 Underfolder Flat
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...
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Polish Tantal Flat 5.45 x 39
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$59.95
Polish Tantal Flat 5.45 x 39
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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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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7.62 SIDEFOLDER KHYBER PASS FLAT - TOP RAIL BENT AND TRIMMED, B2-31Y
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$59.95
7.62 Sidefolder Khyber Pass Flat - Top Rail Bent and Trimmed
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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YUGO M70 1.5MM YUGO FIXED STOCK FLAT, B3-11
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$57.50
Yugo M70 1.5mm Yugo Fixed Stock Flat
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...
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Yugo M70 1.5mm Yugo Underfolder Flat
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$57.50
Yugo M70 1.5mm Yugo Underfolder Flat
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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Yugo M72 1.5mm RPK Receiver Flat
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$57.50
Yugo M72 1.5mm RPK Receiver Flat
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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1.5mm Center Support and Rivet
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$7.00
1.5mm Center Support and Rivet
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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