Questions and Answers

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Q.       I''ve received a lot of questions concerning the pros and cons to different approaches to mounting a reflex sight. Here are my thoughts on the different approaches. All have their own benefits and limitations. The key is for you the user to decide what will serve you the best within your budget.         

A.                      Milling of slide                                           Dust Cover Bridge Mounts                                  Sight Mount

Pros: 1. Reflex sits low and close to axis of the bore.  Pros: 1. No modification to slide.           Pros: 1. BUIS always available.
            2. Co-witnessing possible. (barring fogging or              2. Existing sights as BUIS.                        2. Remove reflex in seconds
                damage to reflex lens)                                       Cons: 1. Very high from axis of bore.                   without tools.
            3. BUIS available (same conditions as above)              2. Limited holstering capability.    Cons: 1. Drill and tap slide
Cons: 1. Slide is milled, drilled, tapped and a dovetail  Cost: Varies up to $100 Wor4               Cost: $85 + 5.00 S&H, $30 custom fitting, -$70 for drill / tap
             is cut for rear sight.
             2. Reflex can become a liability and interfere
             with ability to use BUIS.
             3. Tools needed to remove reflex if needed.
Cost: Approx. $175 to mill for reflex, $50 for rear sight
            dovetail, $55 for taller sights. Both needed to
            co-witness and for BUIS.

Q.   One of the most common questions I am being asked is concerning how Sight Mount is mounted to the slide and whether or not the third hole is needed.


A.  Here is my standard answer. Sight Mount comes with a dovetail block that fits snugly into the existing rear sights dovetailed slot on the top of the slide after the old sight is removed. 2 #6x48 screws with external star lock washers and locktite secure Sight Mount to this block, a centered countersunk hole sits approx. 1.5 inches in front of these and it is intended that at that point a .150 inch deep  hole is drilled and tapped for a #6x48 screw, this is the third mounting point with no washer and only locktite. With these three holes the mount is rock solid, always centered and parallel to the bore, and a quality RMR will always return to 0 when removed and replaced. All of that said the question still gets asked, "can the third screw be left off"? My answer is the same as Burris' in their packaging, "a third hole is provided for a competent gunsmith to add the third screw" I have added Sight Mount considers this proper installation. It simply makes no sense to me to not use it, as any sight is only as accurate as it's mount. Sight Mount has been designed for LE and Military use and  becomes the weapons permanent rear sight, shortcuts are not an option in my opinion as lives depend on performance. Most people would never think of only using one of their scope bases available screws on a rifle as accuracy WILL be affected, Sight Mount is no different. Mounted properly it will excel at its intended purpose.

 

Q.  What is Sight Mount made out of.

A. Sight Mount is machined from a block of 6061 T6 Aluminum to Military specs for MIL-STD-1913 (Picatinny) rail. It is then hard anodized to Mil Spec.