AK-Builder Flat Bending Die Set
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$21995
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1mm
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$28495
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MAK90 - 1mm
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$34995
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1mm-1.5mm-MAK90
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$21995
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1.5mm
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$28495
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1mm - 1.5mm
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$21995
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MAK90
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AK-Builder Flat Bending Die Set
A heavy-duty die set built for forming AK receiver flats in 1.0 mm, 1.5 mm, and Chinese variants (when the correct punch is used). The base starts as a solid 17 lb steel block and is precision machined down to about 14.5 lb, giving it the strength and rigidity needed for consistent, accurate forming.
The die features a radius entry to reduce press force during bending, and built-in alignment pins in the punch make setup simple and repeatable. The pins can be adjusted up or down for proper 7.62 or 5.45 magwell spacing.
There are three available punches — 1.0 mm, 1.5 mm, and Chinese — each with a different internal dimension but the same outer dimension, so the base works with any punch as long as the proper flat is used.
Designed for use with a 12-ton shop press or larger, this set delivers precision results and long service life.
Key Features
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Machined steel base (~14.5 lb finished) for strength and rigidity
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Radius entry for smoother bends with less pressure
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Built-in adjustable alignment pins for accurate bends on 7.62 or 5.45 flats
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Works with 1.0 mm, 1.5 mm, and Chinese punches (shared base design)
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Lower die set screws aid in removing punch and flat after pressing
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Compatible with 12-ton presses or larger
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For lower bend only — does not form upper rails
Compatibility & Notes
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MAK90 punch update (Oct. 19, 2018): Punches with serial 7310 or higher are compatible with the new MAK90 underfolder flats. Older punches (<7310) will damage those flats.
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All punches share the same external dimensions, allowing them to work with the same die base when used with the correct flat.
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Designed for repeated shop use.
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