Tag Archives | Dueck Defense

Dueck Defense DFR Glock Rear Sight

The Dueck Fixed Fear (DFR) is the latest product to be released by Dueck Defense. This Glock compatible rear sight features a rear sight notch that is 20% deeper than typical sights which Dueck Defense claims gives “your eye a longer window of light but still narrow enough for precise aiming.”

Dueck Defense DFR Sights

The DFR also has a clever hooked design that makes it easier to operate with one hand by hooking the sight on your belt or holster. There are other hooked sights on the market but Dueck Defense has gone to great lengths to completely remove the sharp edges that would typically be found on such sights.

The DFR is available separately or bundled with various front sight options. Check out DueckDefense.com.

Dueck Defense DFR

Dueck Defense RBU

Dueck Defense just introduced the Red Dot Back Up or RBU. The RBU is a red dot mount for handguns that has integrated back up sights. The sights serve to help you find the dot when you present the pistol and as a back up sighting method should the dot sight fail.

dueck defense rbu

The RBU is designed to mount the Trijicon RMR to Glock handguns without modification using the factory rear sight dovetail. The sights are high enough to clear a suppressor. The RBU is machined from steel barstock and nitride processed for corrosion resistance.

Check out the new RBU at Dueck Defense.

Dueck Defense Red Dot Adapter

The new Dueck Defense Red Dot Adapter (RDA) is a compact mount that bolts directly to your Dueck Defense RTS rear sight. It allows you to attach your Micro Aimpoint or compatible red dot in such a way that it achieves a lower 1/3 co-witness with the RTS sights.

Dueck Defense adapter

It should be noted that this is designed to be used with the generation 2 versions of the RTS sights. To determine if your RTS rear sight is compatible with the RDA, check to see if the holes on the leading face of your rear sight are threaded. If they are threaded it will accept the new RDA.

Check out the RDA at Dueck Defense.

Offset Iron Sight Round Up

I recently reviewed the Dueck Defense Rapid Transition Sights and that review generated a lot of interest and discussion about the offset iron sight concept. It seems like a good idea to go over some of the available offset iron sight options for those of you who may be interested in trying them. My hope is that having pretty much all the currently available options in one place will be helpful to you.

Dueck Defense RTS – I won’t say much about these sights since I just reviewed them. They work and they work well. I think they are the standard in the industry right now.

Dueck Defense Rapid Transition Sights Rear Dueck Defense Rapid Transition Sights Front

GG&G 45 Degree Transition Sights – I have also mentioned these sights in the past. They appear to be well executed. I like that they are fixed (non-folding) and simple.


XS Sight Systems XTI – The XTI sights from XS Sight Systems are probably the most unique offset iron sights on the market. XS Sights has basically adapted their pistol sights to the carbine.


Knight’s Armament 45° Offset Sight Kit – Knight’s makes good stuff period. These are likely no exception. I like how compact they are though I prefer a fixed sight in this role. I would just leave them deployed all the time. I should also note that Knight’s Armament always does a great job striking a balance between making their sights easily adjustable but with low profile knobs (and often without the need for any tools).

Knights Offset Sights

Diamonhead D-45 Integrated Sighting System – The way that the Diamondhead D-45 sights swing out is very slick. They sit directly on the top rail like traditional folding sights when folded but swing out wide when deployed. These offsets also incorporate Diamondhead’s unique diamond shaped rear aperture.

Diamonback Offset Sights Folded Diamonback Offset Sights Deployed

JP Short-Range Tactical Sight – The JPSRTS might be the grandaddy of all offset iron sights. It has been around forever because it just flat works.


JP JPROS – If you have a set of iron sights that you really like and you would like to use them as offset iron sights then the JPROS is for you. These will place them at 45 degrees on the axis of the bore. You will need two to mount the JPSRTS (above) or other iron sights.

JPROS JPROS with Sights

Note: It can be tempting to use any old 45 degree offset rail mounts when trying to make offset sights. Don’t fall into that trap. Typical 45 degree offset rail mounts are made to be 45 degrees off the rail. This means that they are not on the axis of the bore which means that they will introduce significant windage deflection to the path of the bullet. Obtaining a traditional zero will be impossible. Stick with rail mounts, like the JPROS, that are built specifically for this purpose.

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