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S&B Convex rail Mounts

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Spare Parts for Suhl Mounts

The rail in its cross-section is curved, hence the name S&B Convex rail. Schmidt and Bender have their very own solution when it comes to mounting a rifle scope to a firearm without the use of purpose made rings.

To mount the scope to the firearm first you have to properly insert the small convex metal adapters into the prepared slot at the bottom of the rifle scope. The next step is to attach this setting to a concave base and securely tightened. The two pieces will align to one and another due to their overlapping shape (convex – concave) and because of the grooves and perpendicular crests which at the end form the very impressive recoil stop. The recoil stop is as if it is made out of an array of tiny teeth that grab into themselves when they are subjected to the shooting forces. This kind of recoil is a result of friction caused by the grinding of the teeth. The only mounting solution that does not transmit the recoil by positive engagement is the Swarovski SR rail.

Mounting with a scope rail solutions is always the preferred way over the mounting with rings and in the future most of the European premium rifle scopes producers will exclusively use this approach. We are waiting on the first scope that will be produced with mounting rail only (apart from Zeiss Diarange which contains laser and cannot be mounted with rings at all).

When mounting with a rail you always get a perfect horizontal level as the reticle is aligned with the rail. Rings can leave marks on the main tube, but not only superficial marks, the structural integrity of the rifle scope can be compromised thus leaving the user with a corrupted image and tracking problems.The scopes that are mounted with the use of rail are lees subjected to recoil shocks and can withstand endless shots of almost any caliber Torque values for tightening the mounting elements in the scope rail should be between 4-5Nm.

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Suhl Claw mounts were the most common form of detachable/repeatable mounts on European rifles before the modern pivot mounts emerged on the market. This type of mounts were mainly used in central Europe and especially dominated in Germany and Austria. Hence, for this reason such mounts are called German Claw mounts in the English speaking lands, whereas in central Europe the same mounts are usually just referred to as Suhl mounts. Suhl mounts are compromised from the front ring which embraces the objective bell and the rear ring that is located on the central tube of the scope. The prime reason for such popularity was the extraordinary repeatability and reliability, which is still remarkable by today’s standards. There are however some drawbacks with this type of mounting solution and due to this reasons their popularity rapidly declined in the last 2 decades. These are:

  • High price (Suhl Claw mount is the most expensive mount among all and a price of 1000 EUR or more for a single mount is quite ordinary. All such mounts are custom made by gunsmiths and their installation involves by far the most work input among all mounts.),
  • Front mounting base often has to be installed on the barrel (Almost all modern rifle scopes with 50 or 56mm objective lens and eye-relief of 80mm or more need the front ring around the objective bell, which means that the front base of the mount is placed on the barrel. This interferes with the free floating barrels and reduces accuracy.),
  • Sample to sample variation (The quality of the German Claw mount depends on the skill and knowledge of the gunsmith that installed it or even made it from scratch. That means that there are very big differences in quality from mount to mount.).