Some info on this top end situation?

POSTAL_pete58

New Member
Sep 25, 2017
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Recently got this blaster.. thought it had a Vito's barrel n head on it as near the intake it has no casting stamp just the 3 horizontal casting lines like the Vito's barrel does. Also the underside of the head has no stamping. But measuring the piston only comes up at 64.5 mm ?? I thought standard was 66?? It's a Namura piston and sits on a fw1034 flyway rod.. any ideas or info would be appreciated.
 
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