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Scope Clearance

 
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  #1  
Old 06-12-2010, 10:03 PM
Bronze Member
 
Join Date: Apr 2010
Posts: 39
Scope Clearance

Mounted my Huskemaw on my new custom 7mag and have only 8/1000's clearance between the barrel and scope, do you folks think this may cause any problems being this close.
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  #2  
Old 06-13-2010, 06:13 AM
Miller Outdoors
 
Posts: n/a
Re: Scope Clearance

That sounds too close for comfort to me. I like to be able to slide a dime between the scope and barrel, but would settle for a bit less, but not that much less.
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  #3  
Old 06-13-2010, 06:39 AM
Platinum Member
 
Join Date: Jul 2004
Location: Texas
Posts: 5,461
Re: Scope Clearance

Quote:
Originally Posted by motrophyhunter View Post
Mounted my Huskemaw on my new custom 7mag and have only 8/1000's clearance between the barrel and scope, do you folks think this may cause any problems being this close.
The old saying that as long as it clears it's ok is not true because; When a rifle fires there are
harmonics that cause the barrel to flex unless it is an extremely heavy one. Also the scope
will surely flex because of recoil and the first movement of the objective bell is downward at
recoil.

So the scope needs to have enough clearance to allow some flex without contacting the barrel
each time.

The wider the spacing of the rings will help but there is no substitute for enough clearance.

I Like about 1/8th of an inch (No more) With or without flip up caps.

On rifles like the 22 rim fire it probably wont hurt but with any modern center fire rifle there
will be some contact each time at fireing.

J E CUSTOM
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  #4  
Old 06-13-2010, 10:03 AM
Bronze Member
 
Join Date: Apr 2010
Posts: 39
Re: Scope Clearance

Quote:
Originally Posted by J E Custom View Post
The old saying that as long as it clears it's ok is not true because; When a rifle fires there are
harmonics that cause the barrel to flex unless it is an extremely heavy one. Also the scope
will surely flex because of recoil and the first movement of the objective bell is downward at
recoil.

So the scope needs to have enough clearance to allow some flex without contacting the barrel
each time.

The wider the spacing of the rings will help but there is no substitute for enough clearance.

I Like about 1/8th of an inch (No more) With or without flip up caps.

On rifles like the 22 rim fire it probably wont hurt but with any modern center fire rifle there
will be some contact each time at fireing.

J E CUSTOM
Well I am going to go ahead and install the high base and call it good, should be about right.
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  #5  
Old 06-13-2010, 11:32 AM
Platinum Member
 
Join Date: Feb 2009
Posts: 3,538
Re: Scope Clearance

J E is correct. Flexing will happen and that's way to close for comfort. If it were at a 1/16 I'd say maybe depending on recoil and barrel contour, although I prefer 1/8 minimum and 1/4 maximum.
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