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S&B Convex rail Mounts

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Repeatable 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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VIDEO

There are two terms found for similar thing: quick release scope mounts and quick detach scope mounts. Term quick release scope mounts is used mostly in Europe and quick detach scope mounts is used mainly in USA, although they mean the same thing. With these terms we describe a scope mount that can be quickly removed from the rifle in the field without using any tools and quickly attached back on the rifle when needed.

Main advantages:

  • possibility to use multiple scopes on the rifle,
  • easy transportation of the scope and the rifle separately,
  • if scope fails, it is possible to immediately detach it and use iron sights.

FIXED vs DETACHABLE scope mounts

Fixed scope mounts are mounted to the rifle with screws and sometimes even with glue. This means that it is impossible to attach or detach the scope mount using bare hands without using tools. It also means that they are not meant for constantly being attached on or detached off the rifle. Once you screw the mount on the rifle, it normally stays there for a longer period of use.

Detachable scope mounts offer possibility to attach or detach them without using any tools. This is extremely handy while transporting the rifle and the scope separately and it also offers multiple solutions of different optics on the same rifle. Detachable scope mounts can be attached or detached from the rifle in a matter of seconds, using bare hands.

Fixed Mount

Fixed Mount

DETACHABLE vs REPEATABLE scope mounts

It is important to know and understand expressions “detachable” and “repeatable” while talking about scope mounts. Term detachable scope mounts implies scope mounts that can be quickly attached or detached without using any tools. However, when you detach this kind of mount and attach it back on the rifle, it is recommended to zero the rifle before using it again. Procedure of detaching and again attaching the mount will probably need a sighting in before next shooting, because mount will not be secured on the rifle in the perfectly same position and conditions as it was before detaching it off the rifle.

On the contrary, repeatable scope mounts are most sophisticated mounts. These scope mounts are also detachable, however – they provide removing scope from the rifle and attaching it back again without zeroing the rifle every time. This means that they are made more precisely and that they are offering a possibility of using different optical sights / scope on the same rifle. These mounts are ideal for hunters who can use optical and iron sights interchangeably, depending on the needs in different situations. With the repeatable scope mounts, it is useful to keep them oiled as well as the upper part of the rifle, so that repeatability is more ensured. With a touch of oil, the repeatability might be better, because parts of the mount will always return to their previous locations.

Different types of repeatable scope mounts:

  • Pivot mounts,
  • Dentler mounts,
  • Picatinny repeatable mounts,
  • 12 mm dovetail repeatable mounts (for break barrel rifles, such as Steyr Duett, Blaser B750, Fair Combi, Fair SLX 800, Bettinsoli rifles, etc.),
  • Original repeatable mounts, made by manufacturers of rifles for their rifles (Blaser mount, Sauer SUM mount, Mauser M03 mount, Steyr Monoblock mount, etc.).

Repeatable Mount

Repeatable Mount

TIP OFF / ROLL OFF vs SLIDE ON mounts

Nowadays, there are a whole lot of different possibilities, made for attaching riflescopes on the rifles. There are also a lot of different expressions, having the same meaning. It is good to know that tip off and roll off mounts are basically the same thing. They represent quick release scope mounts for dovetails and rails which can be rolled or tipped off the rail vertically to the side of the rail. On the contrary, there are also slide on mounts available on the market. They represent quick release scope mounts that can be slided on or off the rail or dovetail from front or rear side of the rail / dovetail. All of these expressions are mainly used for separate rings that can be attached to the rails / dovetails. As far as functioning the rifle, it does not matter which one of these mounts you choose – tip / roll off or slide on mounts. If they are installed correctly, they are all going to work. However, the main difference between them is the principle of attaching them on rails on dovetails.

Slide On Mount vs. Roll Off Mount

Slide On Mount vs. Roll Off Mount