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36mm Scope Ring Mounts

The size 36 mm main tube is the second widest main tube diameter in use on modern rifle scopes. It is only used by Zeiss and Hensold for their massive, lowlight hunting rifle scopes and the last generation of Hensoldt tactical scopes. The rifle scope is mounted to the rifle with the help of two 36 mm mounting rings. When fastening the screws one must take absolute caution not to over tighten the screw. Doing so can result in marks and scratches on the rifle scope exterior or even worse in malfunctioned rifle scope due to structural compromises. The most force to be used when tightening the screw should not exceed 2.2 Nm.

The manufacturers who provide 36 mm mount rings are:

Even though it was an very unusual step for Zeiss to introduce scopes with tube diameter which no one else ever produced, producers of munts followed incredibly fast. 3 years after introduction of Zeiss Victory V8 scopes, there is more than 10 manufacturers of mounts that produce anything from mono-block mounts, individual rings, pivot mounts, custom mounting solutions.

36mm ring mounts have all possible forms, from very elegant hunting mounts with 15mm wide rings to tactical mono-block mounts with 30mm and more wide rings.

Is lapping of the rings really needed?

Lapping is a process that is essentially lining two mounting rings perfectly to one-a-another. It is done with special cylinders that grind off the excess metal.

When the ring is constructed from two near half circles - so if the circle of the ring is split in half, roughly in the ratio 50:50 and such rings are mounted on two separate mounting bases, than lapping is recommended. If lapping is not performed, the very small offsetting can be present when all the different pieces of the mount come together and when both rings are mounted on two separated bases. If mounting of two high quality rings is done on a single-piece base, then lapping is not needed. This is one of the reasons that Picatinny rails are becoming so popular in the recent years.  

In the worst case scenario the axis that runs through the center of the rear ring does not completely match the axis that runs through the center of the front ring. For this reason the scope, if mounted into such rings is under unwanted structural stress. The most obvious problems that occurs due to this reason is less than perfect optical performance, tracking problems, the side focus mechanism can stop working and the point of impact groups can be dispersed.

If the ring is designed in the fashion of 1/3 base of the ring and 2/3 the top of the ring than lapping is not required as the design is plastic enough to bend slightly and adjust its shape to the scope tube. The same applies for ½-1/2 rings mounted on single piece

It may be a good idea to take in consideration to choose the 1/3 : 2/3 rings as they do not require additional lapping to be fitted properly. Or use a single piece mounting base.

Since 36mm mounts are mainly produced by premium mounts producers and are usually expensive, lapping is almost never needed. Due to this reason there is also almost no lapping tools available on the market for 36mm mounts. It is however a good idea to use a ribbon cut from latex/rubber gloves on the lower contact surface in the rings, when mounting 36mm scopes.

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  1. Henneberger HMS Samo
  2. Henneberger HMS Swift
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VIDEO

Blaser has revolutionised the way rifle scopes are mounted on the rifles with their saddle mount system. The main feature of this system is that it can be found with all Blaser rifles, no matter what type or model they are. That means that Blaser succeeded to offer the same mounting solution on repeating rifles like on the R93, R8, Combination rifles like B95/97, Single Shot break rifles like K95, Drillings like D99, Bockdrillings like D14, side by side rifles like S2 and all other rifles made by Blaser.

This system is thus by far the most versatile mounting system on the market. Additional advantages that it offers are:

This mounting system has four notches for mounting directly on the barrel and not on the action. All mounts that attached to all four notches can be used on all types of Blaser rifles. Those mounts however that are attached only to 2 notches (most commonly these are mounting solutions for the red dot sights and reflex sights) are rifle specific. That means that MAKnetic for Docter Sight for Blaser R8 will not fit on any other Blaser rifle except R8. Such mounts are very elegant due to their small size but their versatility is limited to one specified type of Blaser rifle only.

Another important consideration that needs to be pointed out is that all mounts for Blaser rifles (original and non-original) are designed to work only on one single barrel. That means that if you have set a mount on one barrel (setting a mount on the Blaser rifle means to tighten the adjustment screw in a way that clamping of the mount on the four notches is done by exactly appropriate force) it will work only on that Blaser barrel and not on others. You can have multiple optics on one Blaser barrel but you cannot have a single optics on multiple Blaser barrel. The only exception to this rule are Dentler mounts.

This mounting system can be found on the following Blaser rifles:

  • R8
  • R93
  • B95/B97
  • D99
  • K95
  • S2