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Old 19th September 2013, 07:35 PM
peterh peterh is offline
Stoopit forriner.
Join Date: Aug 2013
Location: The Netherlands
Posts: 199
Default Turret size and sidewheel sizes for Big Nikko Mk3

Hi (this is probably a question for Jon).

I am sitting on (no, not literally) a Falcon T50 scope (the black one), with a Rowan wheel and a resettable top turret. I've offered it up for sale on a Dutch forum, but there is only interest for the scope, not for the Rowan wheel and the turret. I could of course offer it up for sale here, but of course shipping would be cumbersome.

I would consider a split, but I'm trying to figure out whether the turret and wheel would also work for a Big Nikko Mk3.

I know that the Falcon PA knob is 44mm, but I don't know what the Big Nikko's PA knob measurement is.
Re: the top turret replaces the original turret rather than slide over it, so the ... I don't know what the correct term is... the brass extrusion on the mechanism (on which the turret is clamped with the hex bolts) would have to be the same for both the T50 and the Big Nikko Mk3. I know for a fact that the turret won't fit on a Big Nikko Mk1 or a Big Beesa (I've tried).

Ah... it's called a spigot. It is 8.0mm diameter (confirmed by my Mitutoyo caliper to as close as makes no difference).

Ideas, anyone?
The Filthy Pig: Air Arms 100 (1990) + AA Olympic trigger + Welham reg + Custom Shop CS1000 stock. Status: leaking.
The Unknown Quantity: AA EV2 Mk4. + BSA Platinum 10-50x60 + Jon Harris wheel. Status: sorted up to 25 yds.
The Limping Dog: Air Arms Shamal (1989) + unknown origin sporter stock + Optisan Cobra 3-9x42. Status: slowly leaking; needs work.
The Ox: HW97k + Venom Lazaglide. Status: working just fine; needs scope.
with apologies to NJR100

Last edited by peterh; 19th September 2013 at 07:51 PM.
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