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Posted: 10/5/2004 8:22:12 AM EDT
[Last Edit: 10/5/2004 8:22:56 AM EDT by 00_buckshot]
What do the crows feet on AK receivers do? Do any of the domestic receivers have them? Thanks.
Link Posted: 10/5/2004 8:32:12 AM EDT
To re-enforce by corrugation and thicken the effective width of the area around the axis pins.
RPKs don't have them for example because they use a thicker walled receiver...
It is not a huge engineering addition, but I also think it has to do with helping to create
a little extra tension on the autosear leg that retains the pins (shepards hook on semi autos).
Link Posted: 10/5/2004 9:23:36 AM EDT
So that they could use the same axis pins as the milled receivers.
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