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Size of Scope Rings?

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Unread 03-10-2011, 09:47 AM
Junior Member
Join Date: Mar 2011
Posts: 8
Size of Scope Rings?

What size of scope rings do you think are best?
Shorter the better?
Or 1" high rings?

And why??
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Unread 03-16-2011, 10:04 PM
Silver Member
Join Date: Sep 2008
Location: Las Cruces, NM
Posts: 156
Re: Size of Scope Rings?

It all depends on your application. There are a few measurements that need to be taken. Here are some in no particular order:

The scope's objective bell outside diameter (no not 40mm or 50mm, the outside diameter including the housing) if you use flip ups add the thickness of the also

The scope's tube diameter (1" or 30mm)

The height of the mount

With these numbers you can figure out how high of a ring you will need to allow the objective to clear the barrel.

Brownell's has a good chart on this
How to Determine the Ring Height You Need

They also have a video using clay to determine ring + mount height:
Determining Scope Ring Height

The top chart does not take into account hammers, charging bars, or other mechanical devices that may require a higher than usual scope mount/ring combo. Some receivers are too short or the scope needs to be set further forward in which case an offset ring is needed.
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Unread 03-17-2011, 10:19 PM
Bronze Member
Join Date: Jan 2009
Location: Custer, Michigan
Posts: 89
Re: Size of Scope Rings?

The closer you can have your scope mounted to the barrel the better,.. just be sure it won't interfear with things like round ejection, or the throw travel of the bolt handle (if bolt action), etc.

I have a 56mm objective on my 7 mag and the bell of the objective lens set's about 3/16 of an inch above the barrel right over the area that the old iron sights used to be. ( had to remove them from the barrel on my 700 BDL)
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Unread 03-20-2011, 05:32 PM
Platinum Member
Join Date: Dec 2009
Location: NW MT
Posts: 3,027
Re: Size of Scope Rings?

Len posted a video in that sect. on scope fit
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