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14.5 mm BRNO Dovetail

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Repeatable Mounts

General description

Dovetail is a uniquely designed mounting platform on a rifle's receiver, which enables the installation of various scope mounts for different rifles. Regardless of the rifle type and dovetail width, this unique design can be grooved onto the rifle's receiver, barrel or slide. The most common and recognizable is the 11 mm dovetail design.

The 14.5 mm dovetail can be mostly found on Czech drop barrel rifles. For example Brno 500, 611, ZH, Super, Browning Erice and of course many others. The dovetail design on these rifles is grooved on the rear top end of the barrel, with a length of approximately 4 cm but can also be longer.

Physical properties and dimensions

The 14.5 mm determines the measurement of the upper mounting surface. Generally, a dovetail design offers the possibility of mount installation without screws going into the receiver. Scope mounts simply clamp on the dovetail, with sufficient force so there is no movement during recoil.

Additionally, all 14.5 mm dovetails are designed with a recoil cutout, which offers even better resistance against recoil. The recoil stop groove is canted on the left side of the dovetail. Dovetail slopes are at an angle of 60 degrees. For a clearer understanding, please see the attached image below.

14.5 mm Dovetail

An example of a 14.5 mm dovetail as used on Brno ZH 305

Figure 1: An example of a 14.5 mm dovetail as used on Brno ZH 305 (Source: https://intersurplus.com/collections/combination-guns/products/brno-zh305-12-22-hp-2)

14.5 mm Dovetail

Here are some rifles with a 14.5 mm dovetail:

Best Scope Mounts for 14.5 mm Dovetail

Scope mounts for the 14.5 mm dovetail will come with a recoil notch at the rear left end to match the cutout on the rifle’s mounting surface. There are various manufacturers available who offer different kinds of mounts suitable for 14.5 mm dovetail. Due to the short length of the surface, one-piece scope mounts should preferably be used on rifles featuring a 14.5 mm dovetail.

Fixed Scope Mounts for 14.5 mm Dovetail

Fixed one-piece scope mounts require tools for attaching and detaching from the rifle's mounting surface. One-piece, two-part mounts use a base onto which the two rings are attached whereas the monoblocs or one-piece one-part mounts are usually milled from a single piece of material, with the lower end of the rings merged with the base. Fixed mounts can also come in the form of two-piece scope rings that are installed separately, however, due to the relatively short length of the mounting surface on a 14.5 mm dovetail, one-piece scope mounts will prevail in this category.

If you are looking for a one-piece solution for your 14.5 mm dovetail you might consider this slip-on mount which is manufactured by the Czech company Kozap.

Detachable Repeatable Scope Mounts for 14.5 mm Dovetail

Scope mounts that offer repeatability can be found in this category. Because the mounts always apply the same force to the dovetail base when clamping onto it, the scope will maintain its zero even when it is removed and reinstalled. The terms quick release (QR) and quick detach (QD) are frequently used to refer to different types of detachable mounting.

Due to the specific design of a recoil notch, there are not that many detachable repeatable scope mounts suitable for 14.5 mm. However, if you are looking for a detachable mounting solution to fit on your rifle, you cannot go wrong with this Rusan roll-off mount. It is made of high-quality steel and comes with a ten-year warranty.

Picatinny Rails for 14.5 mm Dovetail

Since its creation in 1995, the Picatinny rail has become recognized as the industry standard for attaching optics. The Picatinny rail, which was based on the Weaver pattern, has the advantage of being used along its full length, as opposed to Weaver, which has predesignated mounting slots, restricting its usability and versatility. Its advantages include interchangeability and simplicity of use. Slots in Picatinny are evenly spaced, measuring precisely 5.23 mm apart and 3 mm deep. As a result, all weapons that employ the Picatinny standard have the same mounting.

If you wish to install a Picatinny rail on top of your 14.5 mm dovetail, this is the best affordable choice by the German manufacturer MAK. It is made of high-quality aluminum and comes with a thirty-year warranty.

Help Us Build Our Riflescope Mounts Database

If you happen to own this or any other rifle, we would appreciate it if you could help us expand our database by sending us some photos of the rifle receiver (the bare mounting surface of the rifle without the scope mounts installed). For your help, our company offers a fair return in terms of practical rewards.

Please send us an email for more information. You can contact us here: info@optics-trade.eu

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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