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Accuracy International AT308

The History of Accuracy International

Accuracy International was founded in the UK in 1978 by Malcolm Cooper, a British Olympic medalist in shooting, and Sarah Cooper, his wife. The company was established with the aim of creating a high-precision rifle that would meet the needs of competitive target shooters and military snipers alike. In 1982, they introduced their first rifle, the AI Arctic Warfare rifle. The rifle's accuracy and reliability made it a favorite of military and law enforcement agencies around the world. In the 1980s and 1990s, AI continued to refine and expand its product line, developing new models like the AW50 and the AWM (Arctic Warfare Magnum). These rifles were designed to meet the needs of different users, from military snipers to police SWAT teams.

In the early 2000s, AI secured a contract to supply rifles to the British Armed Forces, cementing its reputation as a supplier of high-quality military equipment. The company's rifles were used by British forces in Iraq and Afghanistan, where they earned a reputation for their accuracy and reliability. AI continued to expand its product line, offering rifles for civilian use, as well as law enforcement and military applications. Today, AI is known for its commitment to precision, quality, and reliability, and its rifles are widely used by military and law enforcement agencies around the world.

The company has always been focused on developing new technologies and refining existing ones to create rifles that are even more accurate, reliable, and durable. This commitment to innovation has led to the development of advanced features like detachable magazines, adjustable stocks, and precision triggers. AI has also developed proprietary technologies, such as the Quickloc barrel system, which allows users to quickly change barrels on their rifles. The company remains a small, independent company that is owned and operated by the Cooper family, who continue to oversee every aspect of the company's operations.

Accuracy International AT308 Rifle Review

The Accuracy International AT308 is a bolt-action precision rifle designed for the short-action .308 Winchester cartridge and a successor of the AW308 model. The rifle is equipped with a proofed steel push-feed action that is bonded and bolted to an aluminum chassis. The action features AI's Quickloc - quick release barrel system, which makes it easy to change the barrel if necessary.

The rifle's 20 MOA STANAG 4694 / Mil Std 1913 receiver and forend rail provide the necessary versatility to mount various accessories such as scopes, bipods, and other equipment. The AT308's bolt is a six-locking-lug, 60-degree opening angle design with AI's combat-proven leaf spring extractor. The rifle also includes a 3-position safety that is easy to operate and helps ensure safe handling in all conditions. The two-stage trigger is adjustable for trigger weight between 1500 and 2000 g (3.3 and 4.4 lbs), which allows for precise control of the rifle.

The rifle features a detachable 10-round double-stack magazine. Additionally, it can be loaded through the ejection port. The AT308 weighs 5800g when unloaded and equipped with a 610 mm (24 inch) barrel, which is optimal for long-range accuracy.

Accuracy International AT308, chambered for .308 Win.

Figure 1: Accuracy International AT308, chambered for .308 Win. (Source: https://adelbridge.com/product/accuracy-international-at-308/)

Accuracy International AT308 Calibers

Accuracy International AT308 is chambered for the following calibers:

  • .308 Win.

Accuracy International AT308 Variants

Accuracy International AT308 is available in the following variants:

  • Black

  • Green

  • Pale Brown

Accuracy International AT308 receiver, chambered for .308 Win.

Figure 2: Accuracy International AT308 receiver, chambered for .308 Win. (Source: https://www.gunsinternational.com/guns-for-sale-online/rifles/accuracy-international-rifles/accuracy-international-at-le-308-new-in-box-.cfm?gun_id=101309001)

Scope Mounts Interchangeable with Accuracy International AT308

Rifles that have one-piece mounts interchangeable with Accuracy International AT308

For one-piece mounts to fit on a rifle, the mounting surfaces of these rifles must match in all dimensions. The following rifles are interchangeable:

  • All rifles with a NATO STANAG 4694/Picatinny rail

Rifles that have two-piece mounts interchangeable with Accuracy International AT308

For two-piece mounts to fit on a rifle, mounting surfaces 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. The following rifles are interchangeable:

  •  All rifles with a NATO STANAG 4694/Picatinny rail

Best Scope Mounts for Accuracy International AT308

Fixed Scope Mounts for Accuracy International AT308

We recommend the one-piece GEN-2 scope mount made by the trusted German manufacturer, ERA-TAC. It is made of aluminum and comes with a two-year warranty.

Detachable Repeatable Scope Mounts for Accuracy International AT308

For easier detachment and repeatability, while also offering adjustable inclination, we recommend the ERA-TAC GEN-2 Adjustable Inclination scope mount. It is made of aluminum and comes with a two-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.eu

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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).