This is a copy of the East German 74nk Front Sight Gas Block
0.591" barrel, has 90 degree gas port and is a direct replacement for most
90 degree gas blocks, will work on 45 degree gas ports with minor gun-smiting.
standard front sight windage drum and pin, that is not included in sale.
Has built in
cleaning rod holder. Cast and machined in the USA using techniques similar to
the modern Russian production.
Treated to Rockwell 32C and Black Nitrided.
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