BAT Machine Company is an American producer of precision rifle actions and Bolt – Action rifles. They produce 2 and 3 lug benchrest rifles and 2 lug repeating or single shot rifles. Their most famous in the HR and VR action, which is based on the renowned Remington 700 LA and SA actions. Bat offers series of actions and configurations, which are suitable for: Short range BR / HC, long range BR, F – Class, Palma, Varmint, long range varmint, long range big game hunting, tactical, hunting and .50 BMG shooting.
Bat VR is an action based on the Remington 700 SA action. Length dimension is 203.2 mm, and diameter is 34.3 mm. Action is of Push – Feed style and has four holes on the receiver for the purpose of mounting solutions. Additionally, it weights approximatelly 950 g. Bolt face is designed for .223 Rem., .PPC, .PPC/BR, .308 Win. and Magnum calibers. „VR“ action is availiable with several different stocks, which are: Thumbhole Varmint Pattern, Signature Thumbhole Varmint Pattern and Monte Carlo Varmint.
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Fixed two-piece ring mounts cannot be detached from a rifle without the use of tools. They come at an affordable price and offer high reliability. Generally, they are not difficult to install on a rifle. Fixed means that the user cannot quickly detach and therefore switch scopes, which limits the usability of the rifle. Fixed ring mounts for Bat VR are mostly produced in two fashions. A) direct rings and B) advanced two part rings with separated base part, which is attached to the rifle's receiver and ring which is attached to the base part. Simple rings are cheaper and easier to manufacture, while more advanced rings with separated ring and base part are more expensive, but usually offer a possibility to adjust scope's windage on the mount itself. Some manufacturers also produce one-piece Monoblock mounts for Bat VR.
We can group fixed ring mounts for Bat VR in the following groups:
Aluminium Two-Piece Direct Rings
Steel Two-Piece Rings (Two-Parts)
For Bat VR, Fixed One-Piece ring mounts are manufactured from Aluminium and Steel. Additionally, they are always availiable as one part design. Which means that the base and the rings are fixed together. These mounts are very light, appealing and elegant.
Aluminium one-piece Monoblock mounts for Bat VR.
Steel one-piece Monoblock mounts for Bat VR
When talking about Detachable Mounting options, this means these mounts are removable without tools or other instruments, additionally you can remove them simply with the use of bare hands. Usually, these mounts don't offer full repeatability. These mounting options offer great advantage in terms of transport. Riflescope and rifle can be transported individually. When reattaching the scope on the rifle, point of impact shifts up to 10 cm on 100 m. Usually, Detachable Mounting options are designated as QR (quick release) or QD (quick detachable) abbreviations.
Detachable Rings mounts are designed with simple metal levers, which are used for quick remove from the rifle. These mounts are attached to the Bat VR's receiver. Final position of the levers can usually be switched without the change of the clamping force. This offers a posibillity to adjust the position of the levers for a better visual appeal (both levers pointing in the same direction), once the mount is positioned and fixed on the rifle's receiver. Additionally, these mounts are designed with recoil groove and recoil lug. Some Detachable Ring Mounts for example EAW Mounts, offer windage adjustment. Usually, Detachable Mounting options are designated as QR (quick release) or QD (quick detachable) abbreviations.
Detachable Scope Rail mounts are composed of two-parts. Additionally, these mounts are designed with recoil groove and recoil log. Lower part of the mount is attached on the rifle's receiver, while the upper part clamps on scope rail. There are four different Scope Rail mounts available. Which are: LM rail, Zeiss ZM/VM rail, Swarovski SR rail and S&B Convex rail. Ordinarily, they are designed with windage adjustment incorporated in their design and are commonly more expensive. Usually, Detachable Mounting options are designated as QR (quick release) or QD (quick detachable) abbreviations.
A special kind of repeatable mounts are pivot mounts, also known as swing mounts. They offer 100 % repeatability and can be quickly and simply detached and reattached with the use of levers, buttons and screws, with no tools required. Pivot mounts are extremely durable, lightweight, compact and elegant. Their drawback is perhaps their price, which is considerably higher than the price of fixed mounts with rings and other mounting options. The installation on the rifle should be done by a skilled gunsmith. Most of the times, pivot mounts are higher than 14 mm.
Pivot ring mounts guarantee 100 % repeatability and are available either as one-piece or two-piece versions. They allow simple installation of multiple riflescopes or red dot sights on a single rifle with great amount of interchangeability.
Pivot rail mounts are available in either one-piece or two-piece versions. They allow simple installation of multiple riflescopes or red dot sights on a single rifle with a great amount of interchangeability and 100 % repeatability. These mounts are almost the same as pivot mounts with rings but are intended for mounting of scopes with Zeiss ZM/VM rail, Swarovski SR rail, S&B Convex rail or traditional LM rail. Such setup tends to be a bit higher than with ring mounting, but this is usually not a problem for scopes with 50 or 56 mm objective lens. One-Piece Pivot mounts for rails clamp on the rail of the scope on almost it's entire length and provide very reliable mounting solution.
Repeatable mounts are the most sophisticated mounts available and their main purpose is the removal of the telescopic sight from the rifle and mount it back again without the need of zeroing it all over. Repeatable detachable mounts are basically the same as detachable ring or scope rail mounts, with a difference regarding mounting mechanism. Repeatable detachable mounts are designed with a precise clamping mechanism, which requires identical hand clamping force for every attachment. Additionally, the same position of the mount is a guarantee. Usually, Detachable Mounting options are designated as QR (quick release) or QD (quick detachable) abbreviations.
Repeatable Slip-On ring mounts for Bat VR:
Repeatable Slip-On rail mounts for Bat VR:
The Picatinny rail is on a good way of becoming a global standard for mounting since it was invented in 1995. Developed on the Weaver template, the biggest advantage of the Picatinny rail is the usage across its entire length, unlike Weaver which has predesignated slots for mounting, limiting its usability and versatility. Ease of use and interchangeability are also its assets. Picatinny has slots evenly placed, namely exactly 5.23 mm one from the other and 3 mm deep. Because of this, the mounting is identical on all firearms using the Picatinny standard. Picatinny rails are usually available with 0 MOA or 20 MOA inclinations.Picatinny rail can accommodate all types of mounts, also those designed for Weaver standard. Full size mounts of this type are designed for mounting of modern optics for example thermal or digital.