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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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What are the main benefits of mounting a red dot sight on a shotgun?

The first and biggest benefit is the faster and easier aiming possibility since your eyes do not need to focus on bead sights or open sights on the rifle, and on the same time also on the target. This is especially noticeable among older shooters, which do not see so good anymore like the younger ones. Because aiming with a red dot sight is much faster, it is the perfect solution for driven hunts, where the hunter does not have much time to place the perfect shot.

A mounted red dot sight on a shotgun is also very handy for shooters which have opposite dominance of the eyes and arms – right hand and left eye for example.

As most of the hunters know, aiming over the rib with bead sights isn’t very accurate since different shotguns shoot differently.

  • This is especially noticeable when shooting slugs.
  • With a red dot, the shotgun can be shot very accurately and the red dot can be perfectly zeroed.

Why this aren’t picatinny rails that are going straight to the rifle body?

Shotguns with a pre-mounted Picatinny rail are mostly tactical shotguns, which are used by the police and military. But because the Picatinny rails are very popular for mounting optics and other accessories, many semi-auto hunting shotguns have the holes for mounting a rail already prepared.

In this category, we listed mounts that can be mounted

  • directly on the rib of the shotgun or
  • between the stock and the action of the rifle.

To do so, the rib on the rifle has to be ventilated. A ventilated rib is most common on "over and under" shotgun rifles, and is very rare on "side by side" shotgun rifles.

It is worth to mention that all mounts that come on the rib of a shotgun have to be pushed towards the muzzle to ensure a perfect fit with no movement during shooting sessions.

Picatinny rails for mounting on the "rib" of a shotgun

A Picatinny rail that can be mounted on the rib of a shotgun has one major benefit – it can be mounted on the entire length of the rib, so every user can adjust the eye-relief to his favorite position.

When a Picatinny rail is mounted, also the selection of the red dot sights increases. Almost all sights on the market feature a mounting solution for a Picatinny rail, so the user can easier decide what to mount. It is, whatsoever, worth mentioning that these Picatinny rails are not designed to be used with combination with a traditional rifle scope since the additional weight could damage the rib on the shotgun.

Because of the different shapes of the ribs on the shotguns, the manufacturers produce these Picatinny rails in different dimensions for each individual rifle. The most known manufacturer of such Picatinny rails is Recknagel, which has the widest selection on the market.

Docter Sight mounts for mounting on the "rib" of a shotgun

The "Docter Sight" mounting platform is the most common platform on red dot sights on the market. There are many companies that use this platform as their preferred one, because in most cases it is the lowest mounting solution.

The red dot sights that use this mounting platform are from design up very low, which is perfect for mounting on a shotgun since the aiming point does not travel too much higher, and the user still has to aim over the rib as before.

Typically, these mounts can be mounted on many types of shotgun ribs, so they are not designed for one specific rib on one specific shotgun.

Aimpoint Micro mounts for mounting on the "rib" of a shotgun

Aimpoint Micro mounts are practically the same as the Docter Sight mounts, just that they have an Aimpoint Micro profile instead of a Docter Sight profile. Today, this footprint is also widely used for other red dots on the market.

From the combination of these mounts and Aimpoint Micro red dots, the idea for the Micro S-1 was born.

Docter Sight mounts for mounting between the stock and the action of the rifle

To mount a red dot sight between the stock and the action on a shotgun was an idea from the American company Burris, which is owned by the Beretta group. In this group are also many companies which produce shotgun rifles, such as Benelli, Franchi, Stoeger, and so on.

On these mounts not only the Docter Sights can be mounted, but all red dot sights on the market that have the same footprint.

The main benefit of such a mount is the distance to the eye – because it is very close, the user quickly finds the red dot in his field of view. Whatsoever, many users don’t like this solution because the aesthetics of the rifle changes.

Red dot sights that can be mounted directly on the "rib" of a shotgun

The first red dot sight on the market with such a solution was from the Swedish company Redring. It can be mounted on any rib width ranging from 5 to 11.5 mm, on Over/Under, and Semi-automatic shotguns.

Because such sights are gaining on popularity, more and more companies design their own red dot sights that can be mounted directly on the rib of the shotgun.

In this category, you can find: