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Discussion Starter #1
I watched a show about Steel Challenge last night on TV. They highlighted the gear being used and one guy had a Ruger MK II with a little tiny red dot sight that had been mounted on a milled flat at he rear of the reciever. What kind, brand whatever sight was that or what would be that small?
 

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Didn't see the coverage, but the smallest ones I am aware of are the:

Jpoint - http://jprifles.com/1.6.1.php

Burris Fastfire - http://www.burrisoptics.com/fastfire.html

Doctor Optic - http://www.analytik-jena.de/en/DOCTER/Products/Red-Dot-Sight__230/
or

Trijicon RMR - http://www.trijicon.com/user/parts/parts_new.cfm?categoryID=13

There are probably others. In fact, the Trijicon model pictured here with the Doctor looks a lot like the Jpoint: http://centurionstore.com/trijicon-red-dot.htm I didn't see it on Trijicon's website.

I have seen a few USPSA open guns running slide-riding Doctor's. The Jpoint, I believe, was previously sold by a different manufacturer under a different name and had reliability issues. I am told that JP fixed the issues and brought them back out. I have only seen them as close range or backup sights on scoped AR's.
 

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Maybe a Docter Red Dot it's 1.81in x 1in x 1in. Burris and Trijicon build models that are small.
 
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Both the Jpoint and the Doctor look like what I saw. The Doctor is a little more expenseive but it does have a lifetime warrenty. Anybody using either?
 

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I don't own either, but I believe the Doctor is an aluminum body with glass lens, while the Jpoint is a plastic body and lens. The Jpoint was formerly known as the FirePoint and the Tasco Optima. One complaint about both the Doctor and the Jpoint is that they need to be removed to change batteries. Here's another option, also with plastic body and lens like the Jpoint, that has a top loading battery compartment: http://www.insighttechgear.com/products-mrds.htm Sorry I can't be of more help on this one.
 
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I spent my toy money on an unexpected find earlier this week so it will have to wait a while. I think I will be going with the Jpoint on a rear sight base for my Ruger MKII. That should be an interesting Squirrel getter.
 

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The MRDS is a lightweight, ruggedized reflex sight that mounts to many existing optics as well as MIL-STD 1913 Picatinny and Weaver-style rails utilizing widely available aftermarket mounts.

The MRDS is available in a non-reflective black or tan finish with either a 3.5 MOA or 7.0 MOA dot size and is easily adjustable for elevation or windage with 1 MOA positive click adjustments. The MRDS features an auto adjusting dot intensity but also offers the operator a manual dot intensity adjustment with four (4) brightness settings.

Like many of Insight’s products, the MRDS is designed to not only meet but exceed military durability specifications for equipment used by special operations personnel under extreme combat conditions. The lens of the MRDS is made from a lightweight, impact resistant polymer with an anti-reflective coating. Its rugged housing is molded from advanced polymers reducing weight without sacrificing operational durability.

The MRDS has been waterproofed outdoor tvto 66 feet for 2 hours, frozen in ice, drop tested, subjected to a 48-hour salt fog, tested to withstand vibration, submitted to extreme temperature shock and shot on a variety of firearms for thousands of rounds. It has an operational temperature range of -40o C to 49o C and passes the MIL-STD 810G environmental testing protocols.

Powered by a single 1632 battery that allows the unit to operate up to 1-year in Auto mode, the MRDS weighs just 0.85 ounces including battery. The top-load battery compartment design means no loss of zero when changing the battery.

Like all Insight Tech-Gear products, the MRDS is covered by a Limited Lifetime Warranty.
 
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