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Minimum Scope to Barrel Clearance


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I just mounted a new scope (thanks PESCA) and the clearance between the objective bell and barrel is only about 0.017", 0.45mm. I measured this by sliding folded paper under it, it looks more by eye. Is this likely to cause a problem or damage to the scope under recoil?

 

Will this be ok or do I need new mounts?

 

Thanks

 

Gareth

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Probably need new mounts.

Years ago, when I had a similar problem I was told to put a piece of carbon paper between two sheets of normal paper; slide it in to the gap and then fire the rifle. Any marking on the paper = scope too low.

(My scope marked the paper when I had to do it)

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Interesting. My 308 with the sightron fitted has three red rizla clearance. Never had anything to suggest that it's causing an issue, there's no marking on the scope/barrel from any contact, but, I'll shim the mounts and see if it makes any difference to the accuracy.

BD's carbon paper idea seems worth a try

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