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 to be heat treated after bending.
The RPK flats don't have magwell dimples, but have different bolt guide rails that make up for it.
You must use a bending die that is made for 1.5mm receiver flats due to the inside dimensions of the RPK being smaller than the normal 1mm flats.
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I’m satisfied with my purchase
Came in good condition no rust or anything , it was lubricated in a light coat of grease.
