2 authentic Russian 91s 2 different air flows!!

[Jdbaker82]

Ok ...... I have a polished Russian 91 that has a super smooth loose draw here is pictures or the side airflow


and below is another authentic Russian 91 matte color with a smaller air side hope and not nearly as loose of a draw


Both V2s....totally different draws ...????


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[MrPlink]

Loose tolerance in QC

 

[Smellofcordite]

I have encountered similar with my two authentic kfl+ v2's, one whistles and the other is silent. Don't think it is limited to the Russians.

 

[shynsly]

If it whistles try taking it apart and seeing if the airhole through the center pin is drilled totally through, and sometimes there is a bit of metal burr that causes the whistle.