Cooper Model 36

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Fixed Mounts

The History of Cooper

Cooper was established in 1990 by Dan Cooper and two former employees of Kimber of Oregon. Initially, the company focused on the production of hunting rifles, specifically those used for varmint hunting. Their initial product line included the Model 36 TRP-1, part of their Target Rifle Project-Phase 1, and the Model 38 in 22CCM, intended for sports shooting.

In 1993, they started testing a one-shot varmint rifle in .223 Remington, leading to the development of the three-lug bolt action Model 21 also known as "Varmint Extreme". In 1998, the company underwent a rebranding, adopting the name "Cooper Firearms of Montana, Inc." and marking its products accordingly. That year, they introduced Models 21 and 22, collectively known as "Varminter", and expanded their range with the Model 57, which later evolved into Model 57M in 2001. They also added new stock designs to their offer in 2005.

2007 marked the introduction of the Model 52, designed for use with .30-06 cartridges. However, 2008 was a challenging year for the company, with a controversy surrounding Dan Cooper's financial support to a pro-gun control presidential candidate Barack Obama. This resulted in Cooper stepping down from his CEO position. Following this period, the company continued to innovate with the release of models like the short action repeater Model 54 in 2009, and the Model 56, accommodating various magnum calibers, in 2010.

Fast forward to 2023, Nighthawk Custom of Arkansas acquired Cooper Firearms of Montana, and the production facilities were transferred to Arkansas, USA. In February 2023, Nighthawk communicated to Cooper customers that they had acquired Cooper's assets, including the brand name, intellectual properties, and inventory, after a team visit to Montana in December. They relocated these assets to Arkansas and are planning to manufacture new Cooper rifles there, with operations expected to start in late 2023.

Cooper Model 36 Rifle Review

The Cooper Model 36 is a small-bore bolt-action rifle produced by Cooper during the early to late 90s that was replaced by the Model 57. Compared to other Cooper rifles from the series it is chambered for .22 LR and has a shorter action. The core technical structure, however, remains the same.

The receiver of the rifle is made of hardened steel and houses a bolt with three asymmetrically placed forward-locking lugs. The single-shot models 16, 21, 22 and 38 are fed through the ejection port whereas the 36 is a multi-shot model that comes with a detachable clip magazine holding 5 rounds. The magazine release lever is positioned next to the receiver, above the front end of the trigger guard. The bolt release lever is positioned on the right side of the receiver on all rifles. Moreover, the receiver is also drilled and tapped for the option of mounting scopes, with some models featuring pre-installed mounting bases.

The safety mechanism is simple – it consists of a two-position safety lever, placed on the same side as the bolt handle. Pulling the safety lever rearward blocks the trigger, but it still permits the opening of the bolt. On pushing the lever forward, a red dot on the indicator becomes visible, indicating the rifle is ready to fire. The Model 36 is supplied without a rubber recoil pad but features a steel one instead.

Cooper Model 36, chambered for .22 LR

Figure 1: Cooper Model 36, chambered for .22 LR (Source: https://www.rockislandauction.com/detail/55/583/cooper-arms-36rifle-22-lr)

Cooper Model 36 Calibers

The rifle is chambered for the following calibers:

.22 LR

Cooper Model 36 Variants

The rifle is available in the following variants:

Cooper Model 36 Classic
Cooper Model 36 Varminter
Cooper Model 36 Custom Classic
Cooper Model 36 Western Classic
Cooper Model 36 Silhouette
Cooper Model 36 Benchrest

The receivers of Cooper Model 36 rifles come with four holes for scope mounting purposes. There are two holes at the front and two at the rear end of the receiver.

The receiver of Cooper Model 36, chambered for .22 LR

Figure 2: The receiver of Cooper Model 36, chambered for .22 LR (Source: https://www.gunsinternational.com/guns-for-sale-online/rifles/cooper-arms-rifles/cooper-arms-model-36-repeater-22lr.cfm?gun_id=101118414)

Unfortunately, we were unable to find a picture of the Cooper Model 36 receiver without pre-installed bases. Should you happen to own this rifle and would be willing to send us some photos of the bare mounting surface (without scope bases installed), we kindly ask you to contact us at info@optics-trade.eu

Your help is greatly appreciated!

Cooper Model 36

Unfortunately, we were unable to find the exact dimensions of the mounting surface for this rifle. Should you happen to own a rifle that uses Model 36 action and would be willing to share with us detailed information regarding holes spacings on the top of the receiver, please contact us at info@optics-trade.eu

Thank you!

Scope Mounts Interchangeable With Cooper Model 36

Rifles That Have One-Piece Scope Mounts Interchangeable With Cooper Model 36

For one-piece mounts to fit on a rifle, mounting surfaces on these rifles must match in every dimension.

Since we cannot confirm the exact B distance between the mounting holes on top of the receiver, we cannot provide you with the list of rifles, that have one-piece scope mounts interchangeable with Cooper Model 36.

Rifles That Have Two-Piece Scope Mounts Interchangeable With Cooper Model 36

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 share two-piece scope mounts with Cooper Model 36 are the following:

Best Scope Mounts for Cooper Model 36

Fixed Scope Mounts for Cooper Model 36

If you are looking for a reliable fixed mounting solution for your Cooper Model 36, you might consider these Talley rings. They are made from high-quality aluminum alloy and come 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 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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Warne Maxima 2 Piece Base for Cooper 21 / 36 / 38 / 57, Kimber 82A / 82B / 84A / 84B / Hornet (6-48 screws)

As low as $45.00

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Talley Cooper Scope Mount for Models 21, 36, 38, 51 and 57M, 25.4 mm

As low as $59.00

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Talley Cooper Scope Mount for Models 21, 36, 38, 51 and 57M, 30 mm

As low as $59.00

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Cooper Model 36

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The History of Cooper