Marlin 375

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Pivot Mounts

About the Marlin

The story of the Marlin company started in 1836 in Connecticut, the birthplace of John Mahlon Marlin. As the civil war commenced, he began his working carrier at the Colt plant in Hartford. Five years after the war, he started his own company in New Haven, Connecticut, and named it Marlin Firearms. Between 1870 and 1899 the company produced a manifold of pistols, revolvers, and derringers with one of the biggest strategic moves being made in 1881 when it introduced its first lever-action repeating rifle – Model 1881. Another breakthrough was made by the company with the introduction of the 1889 Model - a lever rifle with a solid top that ejected the empty cartridges out of the side of the receiver. This was the feature that in later years became equated with the term "Marlin Safety". The concept was further utilised in the following years on a .22 rimfire lever-action - Model 1891. That led to the development of Model 39, introduced in 1922, with almost 3 million rifles produced to date. Two years later, a new model was released under the name Model 1893 which was later renamed the Model 1936/Model 36, manufactured up until 1948. It was improved and renamed Model 336 in the same year. For some time, Marlin also produced rifles for Savage as they lacked manufacturing capabilities.

After the death of John Marlin, his two sons inherited the business, and the company went through several ownership changes. It was sold around 1915 to William Bonbright & Co. and Kissell-Kinnicut & Co. - a group of investors associated with J.P. Morgan. Shortly after, A.F. Rockwell became the president of the company and renamed it Marlin Rockwell Corporation in 1916; however, in 1919, John. F. Moran took over. After World War I, the economic decline became apparent, and the company shifted its focus to various other businesses. They manufactured ball bearings, roller bearings, radiators, wires, bombs, and even automobiles. In 1921, a simplified manufacturing line was formed that specialized in the production of sporting firearms and was named Marlin Firearms Corporation. Due to a decrease in sales, the company was put on the auction block in 1924 when it was bought for a small price of $100 by lawyer Frank Kenna.

The after-war years offered new opportunities and the sales gradually improved. In 1949, Model 36 was redesigned and renamed Model 336. It is still manufactured today as one of the most popular lever-action rifles in the world. Additionally, the company pioneered the Micro-Groove rifling which was supposed to allow for better shooting accuracy and was the standard on Marlin rifles up until the 1990s.

In 1956, the company introduced Model 56 which featured a modernised lever design with a short lever throw allowing for fast reloading. The series was later named Marlin 'Levermatic'. Shortly after, Model 57 and a centrefire Model 62 were presented. However, the Levermatic series did not sell too well and was discontinued in 1973. Some of the most recognizable models from that time were Glenfield Model 30, Model 444, and reintroduced Models 1894 and 1895 which are still manufactured today. With new regulations taking place, Marlin added a cross-bolt safety to their rifles around 1983. Numerous models were presented in later years such as Model 700, Model 780, Model 80, Model 7000, Model 2000, Model XL7, and XS7 along with some pump-action shotguns like Models 16, 17, 19 etc.

In 2007 Marlin was bought by Remington Arms, however, the ownership changed again in the following decade. Since 2020, the Marlin is owned by Sturm, Ruger & Co. Over 6 million guns and 150 years later, they carry on Marlin’s legacy of innovativeness and quality.

Marlin 375 Rifle Review

Marlin 375 is a lever-action rifle introduced in 1980 and produced up until 1983. Since it was only manufactured for three years, only around 16.000 pieces were made, making it rare to come by nowadays. It is based on Marlin 336 with a fortified chassis to be able to hold a more powerful .375 cartridge.

Structurally, the rifle is essentially the same as M336. It ejects the cartridges out on the side of the receiver rather than the top, allowing for optics to be mounted on the top of the receiver using four holes for mounting purposes. Underneath the ejection port is a loading gate that loads a five-cartridge tubular magazine.

The three-position cocking hammer is placed on the action tang and allows for manual cocking of the rifle which makes it much safer to carry around in an un-cocked position. Additionally, models manufactured in 1983 come with a cross-hammer safety in form of a push-button which is positioned at the backside of the receiver, just above the handle. Since the receiver is drilled and tapped for optic mounts, the hammer comes with a removable extension attachment which allows for easier hammer access when the scope is mounted. Marlin 375 comes with a single-stage trigger, rubber recoil pad and pre-installed sights.

The possible barrel length for Marlin 375 is 508 mm (20-inch).

Marlin 375

Figure 1: Marlin 375, chambered for .375 Win. (Source: https://marlinfirearmstore.com/marlin-375/)

Marlin 375 can be chambered for the following calibres:

.375 Win.

Marlin 375 receivers come with four holes for mounting purposes, two on the front and two on the rear mounting surface.

Marlin 375

Figure 2: The receiver of Marlin 375, chambered for .375 Win. (Source: https://www.gunsinternational.com/guns-for-sale-online/rifles/marlin-rifles/marlin-model-375-chambered-in--375-winchester-and-comes-w--lee-dies-and-20rds-of-brass---sold.cfm?gun_id=100727387#lg-8)

A: 12.7 mm

B: 69.9 mm

C: 12.7 mm

BHU: 0 mm

Ø: 8-40

R1: flat

R2: flat

Which Rifles Have Interchangeable Mounts

Two-piece mounts

All the rifles listed in the category below have two-piece mounts interchangeable with Marlin 337. To meet interchangeability conditions, two-piece mounts must match in all dimensions except the B distance. B distance can vary because two-piece mounts can be installed and adjusted closer or further apart. Rifles that meet such criteria are:

Marlin 308
Marlin 338
Marlin 336
Marlin 444
Marlin 1895
Marlin 1894
Marlin Model 36
Marlin Model 45 Carbine
Marlin Camp Carbine 9mm
Glenfield 30
Henry .30-30
Henry .45-70
Henry .410 (lever action with 20-inch/508mm barrel)
Marlin 922M
Marlin 94
Marlin 95
Marlin 990
Marlin 30AS

One-piece mounts

All the rifles listed in the category below have one-piece mounts interchangeable with Marlin 337. For one-piece mounts to fit on a rifle, mounting surfaces on these rifles must match in every dimension. Rifles that share the same dimensions and mounting surface with Marlin 337 are:

Marlin 308
Marlin 336
Marlin 338
Marlin 444
Marlin 1895
Marlin Model 36
Marlin Model 45 Carbine
Marlin 30AS
Marlin Camp Carbine 9mm
Marlin 922M
Glenfield 30
Henry .30-30
Henry .45-70
Henry .410

Our Recommendations for Mounts

Fixed Mounts

Being reliable and durable, this two-piece mounting solution manufactured by the American company Talley is made of aluminium and comes with a ten-year warranty. It will fit the mounting surface of Marlin 375 perfectly.

Detachable Repeatable Mounts

This two-piece pivot mounting solution is manufactured in Germany by the EAW company. It is made entirely of steel and comes with a thirty-year warranty.

Picatinny Rails

Manufactured by the American company EGW, this Picatinny rail will provide you with numerous mounting possibilities for your Marlin 375. It is made from high-quality aluminium which makes it durable and recoil resistant.

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.eu

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INNOmount Pulsar Trail2 Pivot Mount, Marlin

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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

Marlin 375

Sub Categories

About the Marlin

Marlin 375 Rifle Review

Marlin 375 can be chambered for the following calibres: