Play in spring loaded target sights

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Frank Petronio
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Play in spring loaded target sights

Post by Frank Petronio »

Apologies for such a newbie question but I've been shooting with a 1980s FAS 604 air pistol with the stock sights. On this gun the rear sight has a plate which is spring loaded and can rock from its base fore-aft about a millimeter. It returns to position but I wonder why it needs to be loose at all? Do people ever wedge these to hold steady or do I have too weak a spring? I don't understand the design intent.

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shaky hands
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Re: Play in spring loaded target sights

Post by shaky hands »

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Andre
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Re: Play in spring loaded target sights

Post by Andre »

I am not familiar with the 604, but if it is spring loaded in the same axis as an adjustment screw it could be a method of keeping the unit backlash free. (No dead clicks between opposite adjustments)
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