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Air Gun Home Forum Index » General Air Gun Questions and Topics » Will be a problem? 40 mm lens housing just touches top of...
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Will be a problem? 40 mm lens housing just touches top of... 
PostPosted: Sun Jan 31, 2010 10:55 am Reply with quote
redroush00
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I love the mounts for my springer. They never come loose, and this is after trying several others. I upgraded my scope to a larger objective. The bottom of the lens housing just rests on top of the rifle a bit. Its been dead accurate since i mounted it. Are there and issues with leaving it this way?
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PostPosted: Sun Jan 31, 2010 11:09 am Reply with quote
oddtodd
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It shouldn't hurt anything that I can see. It may transmit a little more vibration to the scope. If nothing else just for peace of mind you can shim it up a little bit if you put a couple small pieces of paper in the bottom of the scope ring.

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PostPosted: Sun Jan 31, 2010 2:21 pm Reply with quote
rsterne
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Instead of paper, I would use a piece of film negative, thin plastic, or metal shimstock....

Bob

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PostPosted: Sun Jan 31, 2010 2:46 pm Reply with quote
creeper
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rsterne wrote:
Instead of paper, I would use a piece of film negative, thin plastic, or metal shimstock....

Bob


That'd be my choice as well... a few .002" thick pieces of metal (stainless steel, brass or even aluminum if you can find it) would be what I'd go with.

Another, more "gorrilla" method would be to lightly file the bottom of the scope objective bell until you could get a .001" feeler gauge thru it.

Cheers,
C

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PostPosted: Sun Jan 31, 2010 3:56 pm Reply with quote
ellodrith
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I find the plastic fake credit cards you get in spam snail mail offers can be cut very nicely for shims. Cheap and green too Smile

cheers
Jeff

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PostPosted: Sun Jan 31, 2010 4:52 pm Reply with quote
Slavia
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Quote:
I love the mounts for my springer. They never come loose, and this is after trying several others. I upgraded my scope to a larger objective. The bottom of the lens housing just rests on top of the rifle a bit. Its been dead accurate since i mounted it. Are there and issues with leaving it this way?


Depends on how much "a bit" is. If it touches enough so the mounts distort the tube when tightened, then it's probably not good.

Aluminum pop cans are good for shim material. Beer cans also, but then you have to figure out what to do with all that nasty beer. Raid your recycling bin - you'll probably have lots of thicknesses from which to choose.

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PostPosted: Sun Jan 31, 2010 5:51 pm Reply with quote
fritz
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Double sided tape... won't come loose.

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Will be a problem? 40 mm lens housing just touches top of... 
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