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FN Browning BAR MK3 DBM

The History of Browning

Browning Arms Company was founded in 1880 by the American John Moses Browning, one of the most, if not the most prolific and influential firearm inventor of all time, with the help of his brothers, in Ogden, Utah. A large portion of John Browning's rifle designs have been acquired and produced by other big-name companies, like Winchester, Colt, Remington, Fabrique Nationale of Belgium, and Miroku. Among his most famous guns produced were the 1895 Colt Peacemaker machine gun, the Browning automatic rifle, the .45-caliber pistol, a variety of .30- and .50-caliber machine guns used in World War II; and the Browning Automatic-5 shotgun first introduced in 1902 and still produced to this day. Beside firearms, Browning is also a manufacturer of various other products, such as gun knives, shooting accessories, bicycles, and clothing. In 1977 the Belgian firearms manufacturer Fabrique Nationale (FN) purchased the Browning Company. In 1987 the US Repeating Arms Company (Winchester) was purchased from its former owners. The Winchester brand (licensed from Olin Corporation) was acquired at the same time by FN. In 1990, Société Générale sold the FN company to GIAT Industries.

In 1997, the entire FN family of companies (including Browning and the Winchester) was bought from GIAT by the government of a Belgian region named Waloon and was renamed to Groupe Herstal.

Browning BAR MK3 DBM Rifle Review

Browning BAR is a name used both for an automatic military rifle developed by John Browning at the beginning of the 20th century and for a semiautomatic sporting rifle that is based on the automatic Browning BAR and was introduced as a redesign in 1966. In 1993, the second generation of the rifle was presented under the name BAR MK2 and was manufactured up until 2016 when the BAR MK3 replaced it.

BAR MK3 DBM comes with an integrated Picatinny rail, therefore it does not fit the same scope mounts as BAR, BAR MK2 and other BAR MK3 variants. Apart from having shorter barrel length and being chambered for only one caliber, other structural components are on par with the BAR MK3.

BAR MK3 DBM consists of a short-stroke, piston-driven gas autoloading system and a bolt with seven rotating locking lugs that lock into the barrel. It features a detachable box magazine that can hold up to ten rounds. The top of the receiver comes with an integrated Picatinny rail instead of being drilled and tapped for scope mounts. In comparison to the other two models of BAR, the BAR MK3 DBM has an upgraded Super Feather Trigger with a pull weight of approximately 1100 g (2.4 lbs.). The overall design is slightly different as well, updated for a more refined look.

The safety knob which blocks the trigger from being pulled is positioned at the rear of the trigger guard and the bolt lock is located on the right side of the receiver. It is activated after the last cartridge has been fired and locks the bolt in the rearmost position. 

The barrel length on Browning BAR MK3 DBM is 457 mm (18-inch).

Browning BAR MK3 DBM, chambered for .308 Win.

Figure 1: Browning BAR MK3 DBM, chambered for .308 Win. (Source: https://blog.finandfield.com/hunting-news/browning-bar-mk-3-dbm-rifle/)

Browning BAR MK3 DBM Calibers

Browning BAR MK3 DBM is chambered for the following calibers:

  • .308 Win.  

Browning BAR MK3 DBM Variants

Browning BAR MK3 DBM is available in the following variants:

  • Browning BAR MK3 DBM Wood

  • Browning BAR MK3 DBM ATACS LE

Browning BAR MK3 DBM comes with an integrated Picatinny rail instead of being drilled and tapped for scope mounts. Thereupon, it does not fit the same scope mounts as BAR, BAR MK2 and other BAR MK3 variants, unless they have a Picatinny rail mounted.

  Browning BAR MK3 DBM, chambered for .308 Win.

Figure 2: The receiver of Browning BAR MK3 DBM, chambered for .308 Win. (Source: https://www.browning.com/products/firearms/rifles/bar/bar-mk3-stalker-detachable-magazine.html)

Scope Mounts Interchangeable With Browning BAR MK3 DBM

Rifles That Have One-Piece Scope Mounts Interchangeable With Browning BAR MK3 DBM

All the rifles listed in the category below have one-piece scope mounts interchangeable with Browning BAR MK3 DBM. For one-piece scope mounts to fit on a rifle, mounting surfaces on these rifles must have the Picatinny installed. Rifles that share the same dimensions and mounting surface with Browning BAR MK3 DBM are:

  • All rifles with Picatinny rail mounting surface

Rifles That Have Two-Piece Scope Mounts Interchangeable With Browning BAR MK3 DBM

All the rifles listed in the category below have two-piece scope mounts interchangeable with Browning BAR MK3 DBM. To meet interchangeability conditions, two-piece scope mounts must match in all dimensions except the B distance. B distance can vary because two-piece scope mounts can be installed and adjusted closer or further apart. Rifles that meet such criteria are:

  • All rifles with Picatinny rail mounting surface 

Best Scope Mounts for Browning BAR MK3 DBM

Fixed Scope Mounts for Browning BAR MK3 DBM

This fixed INNOMOUNT one-piece mounting solution manufactured in Germany is a reliable choice for your Browning BAR MK3 DBM as it combines lightness with durability. The mount that comes with a ten-year warranty is made of aluminum, matching the rail material, and offers a high recoil resistance. 

Detachable Repeatable Scope Mounts for Browning BAR MK3 DBM

If you are looking for a scope mount that provides the user with the flexibility of easily attaching and detaching an optic without any tools and retaining zero at the same time, you might consider purchasing this INNOMOUNT mounting solution for Picatinny mounting surface, produced in Germany. The mount is made of aluminium and comes with a ten-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 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

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General features of Mono-block Scope Mounts

All of the mono-block scope mounts have in common that both scope rings are made of one piece of material. Making a whole mount of one piece of raw material is usually possible by milling. These mounts are normally made for tactical applications, because they can be used in the toughest conditions. They are normally made out of one piece of hiqh quality aluminium alloy (like 7075T6), because steel might be too heavy for such applications. Steel is normally used only with the screws or claws that hold scope mount onto the Picatinny rail. However, there are some manufacturers which make nice mono-block mounts for hunting applications also (Spuhr, ERA-TAC Ultralight, etc.).

This type of mounts is suitable for use on Picatinny rails. Although, there are other rail standards that are known as common practice: 11 mm (AI), 16.5 mm (Tikka, Sako TRG), 19 mm (CZ 550)... They can be quick detachable or fixed (however, most of them are fixed).

ERA-TAC Ultralight Mount for Picatinny, 30 mm

ERA-TAC Ultralight Mount for Picatinny, 30 mm

Mono-block mounts for tactical rifles

Mono-block mounts for tactical rifles might be nearly perfect to use and main reasons for that can be found in:

  • rigidness,

  • hardness,

  • durability,

  • reliability and

  • precision.

They offer perfect ring alignment which is the key to not damaging or flexing your scope. Large contact surface between the scope and the mount might also be a favourable factor. Lapping during the process of mounting the scope is not needed. In addition, bedding is also not needed. All of the text above is true if we are talking about mounts of proper quality.

On the other hand, you have to be prepared for a (usually) bulky appearance and less adjustable length for proper eye relief.

 

Other Features of Mono-block Scope Mounts

Tactical mono-block scope mounts, made of high quality, normally have more than just one recoil stopper.

Some of the manufacturers (like Spuhr) advise their customers to oil surfaces between their mount and Picatinny rail before the mounting of them. They also advise to use resin between rings and rifle scope.

Spuhr Unimount for Picatinny, 35mm, 6 MIL 20.6 MOA

Spuhr Unimount for Picatinny, 35mm, 6 MIL 20.6 MOA

 

A lot of mono-block mounts offer additional attachment points on their rings. These attachment points are normally used for red-dots, lasers, rangefinders, angle indicators, etc. Bubble levels are also common on these mounts (on the rear side of the mount – Tier One, Spuhr,...). These bubble levels are aligned with the Picatinny rail under them.

Practically all of tactical mono-block mounts use 6 – 8 screws for tightening the scope. It is very rare for such mounts to use only 4 screws. With tactical mounts, rings are normally divided 50:50 (upper and lower part of the ring, tightened with screws), which is different than with other, for example hunting mounts, where rings are divided in different ratio – for example 60:40 (upper / lower part of the ring). In this case, upper part is bigger than the lower part, which in practice means that scope is embraced by the upper part of the ring a little bit more.

Tactical mono-block mounts are the most common mount form with inclination. If mounts are made with inclination, it is usually:

  • 10 MOA,
  • 20 MOA or
  • 30 MOA.

These type of mounts are great for long range shooting, because they offer a whole new possibilities for long range shooters. Majority of the mono-block mounts with inclination, is 20 MOA. However, there are mounts up to 70 MOA on the market (for example: Era-Tac from Recknagel).