Scope mount

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A Leupold telescopic sight mounted on a dovetailed rifle receiver via two scope rings Leupold Ultra Light Scope.jpg
A Leupold telescopic sight mounted on a dovetailed rifle receiver via two scope rings
From left: A sketch of a cross section on a Zeiss rail and ring mount, both with a Picatinny rail interface. Zeiss rail scope mounting system.svg
From left: A sketch of a cross section on a Zeiss rail and ring mount, both with a Picatinny rail interface.

Scope mounts are rigid implements used to attach (typically) a telescopic sight or other types of optical sights onto a firearm. The mount can be made integral to the scope body (such as the Zeiss rail) or, more commonly, an external fitting that clamp onto the scope tube via screw-tightened rings (similar to pipe shoes). The scope and mount are then fastened onto compatible interfaces on the weapon. Words such as mounts and bases are used somewhat loosely, and can refer to several different parts which are either used together or in place of each other as ways to mount optical sights to firearms.

Contents

Attachment interfaces for scope mounts vary according to weapon design and user choice. Traditionally scope mounts are fastened onto firearms via tapped screw holes (usually on the receiver) and/or clamps (onto the barrel or stock). Since the mid-20th century, dovetail rails, where the mount is slided over a straight dovetail bracket with an inverted isosceles trapezoid cross-section and fixed tight in position with clamping screws, became more common due to the ease of installation and removal. Later, the hexagonally cross-sectioned rail interface systems such as Weaver rail became popular and was later modified into the Picatinny rail in the early 1990s, which became the standardized military-use mounting interface for NATO troops in 1995. The Picatinny rail was officially replaced by the metrified NATO Accessory Rail for military use in 2009, although it remained popular in the civilian market for both scope and accessory mounting.

Scope mounts can be either one-piece (a single implement with multiple clamping rings) or multi-piece (usually two or more individual scope rings). These mounts are usually fastened with screws to specified tensions (which warrants the use of torque screwdrivers), but sometimes they are manually tightened via thumbscrews, and may even have Quick Release (QR) designs. As of 2020, the Picatinny rail is arguably the most widespread scope mounting standard for new firearms, although there are many proprietary and brand-specific types of mounts that can either be used with Picatinny rails, or as completely different design alternatives (see the section on Link between scope and firearm). Scope mounts may be offered by firearm and scope manufacturers, or bought as aftermarket accessories.

Integral scope mounts

An East German SSG 82 fitted with a 4x32 Zeiss Jena sight, note the integral rail interface on the scope tube SSG 82 1.jpg
An East German SSG 82 fitted with a 4×32 Zeiss Jena sight, note the integral rail interface on the scope tube
A scope with integral mount on a Heckler & Koch PSG1 PSG-1 rifle 2014 noBG.jpg
A scope with integral mount on a Heckler & Koch PSG1
An LPS 4x6deg TIP2 scope with integral side-mount on a Romanian PSL rifle PSL Dragunov 7.62 mm Sniper Rifle - Telescopic sight.jpg
An LPS 4×6° TIP2 scope with integral side-mount on a Romanian PSL rifle

Zeiss rail

Among scopes for rail mounts, the 22.5-degree V-shaped Zeiss rail is the most prevalent standard. It was introduced in 1990. After the patent expired in 2008, compatible scopes have been offered from manufacturers such as Blaser, [1] Leica, Minox, Meopta, Nikon, [2] Noblex (formerly Docter [3] ), Schmidt & Bender [4] and Steiner. [5] It has therefore, in some sense, become the de facto industry standard for scope mounting rails. The system has so far seen most use on the European high end market. [6]

Swarovski SR rail

The Swarovski SR rail (patented in 2002, [7] [8] [9] introduced in 2005 [10] The Swarovski SR rail is also used by Kahles, a Swarovski subsidiary. [11] ) has a flat rail with many "teeth" as recoil lugs, and is only offered on scopes from Swarovski and its subsidiary Kahles. It separates itself from the Zeiss rail in that it is not neither stepless nor self-centering.

S&B Convex rail

A former competing standard was the halv-circle shaped Schmidt & Bender Convex rail [4] also introduced in 2005. Schmidt & Bender after a few years changed to the Zeiss rail standard. In contrast to the Zeiss and Swarovski systems, the S&B Convex rail had the possibility to add a cant to the scope when mounting, such that the reticle is not horizontal to the ground. [12]

70-degree prism rail

There is an older European system with an upside-down V-shape (70 degrees). [13] This system has little widespread use today. The advantage of this system was that it at one time was offered by most European scope manufacturers, but the disadvantage was that the rail had to be drilled for a screw each time the eye relief was to be adjusted. [14] All new standards for rail mounts have addressed this issue.

Ring mounts

An old German machinegun telescopic sight with scope rings Large SMG00029515.jpg
An old German machinegun telescopic sight with scope rings
Two Colt Python revolvers, one (above) with barrel-mounted scope Pythons2.jpg
Two Colt Python revolvers, one (above) with barrel-mounted scope
A re-enacted Confederate sharpshooter aiming a Whitworth rifle with a ring-mounted scope, secured by clamping onto the gunstock East Tennessee Crossing - Battle of Bean Station Re-enactment - NARA - 7718106.jpg
A re-enacted Confederate sharpshooter aiming a Whitworth rifle with a ring-mounted scope, secured by clamping onto the gunstock
A one-piece scope mount (with three 30 mm rings) on a Sako TRG-42. 8,6 TKIV 2000 Lippujuhlan paiva 2014 2.JPG
A one-piece scope mount (with three 30 mm rings) on a Sako TRG-42.

Ring mounts usually consist of a base attached to the firearm and rings (usually two) attached to the sight. The rings are usually made of steel or aluminum. Common diameters on ring mounts are 25.4 mm (1 inch), 26 mm, 30 mm and 34 mm. There are big differences in the strength and ability of sustained precision on different assemblies. With weak cartridges such as .22 LR applied in light-use scenarios, a pair of skinny aluminium rings may work well, while firearms with very powerful recoil often combined with a heavy sight may require steel rings or thicker aluminum rings with recoil lugs to be used.

Sizes

Scopes for ring mounts are available in many different sizes. The most common ones are:

Some less common standards are:

Lapping

For a ring assembly to grip evenly, it is important that the scope rings are circular and coaxial with the scope tube. On ring mounts that grip unevenly, the ring mount can be lapped to prevent uneven pressure when mounting. [15] One scopes made for ring mounts, it is not uncommon to get ring marks when mounting the rings.

Ring inserts

There are insert rings on the market which allows for mounting a scope inside a ring mount of a larger diameter. An example could be to mount a scope with a 1-inch (25.4 mm) tube in a 30 mm mount using a plastic insert.

There are also special ring mounts in the market with circularly shaped ring inserts made to provide stress free mounting without lapping, with Burris Signature Rings and Sako Optilock Rings as two well-known examples. Burris Signature was introduced in 1995. [16] A patent was applied for in 1994, and was granted in 1995. [17] Sako Optilock has been sold since some time in the early 2000s. [18] [ clarification needed ] The trade name Optilock was registered in the US in December 1997, and has been marketed in the US since December 2001. [19] In 2000, Sako was sold to Beretta Holding. [20] In 2002, Burris was also sold to Beretta Holding, and thus Burris and Sako got the same owners. Burris' original patent for the rings with the circular insertes was considered to have expired in 2014, and as of 2020 is listed as "definitely expired". [17]

In 2015, XTR Signature Rings was launched as a further development of the Burris Signature series. The XTR variant differs in that it has two circular cavities per ring assembly versus one. [21] A patent for the XTR Signature Rings was applied for in 2016, and was granted to Burris in 2019. [22]

Mounts for compact sights

Left: Aimpoint Acro C2 reflex sight laying on its side. Right: Acro rail on a Picatinny riser. Aimpoint Acro C2 and Picatinny riser with Acro rail.jpg
Left: Aimpoint Acro C2 reflex sight laying on its side. Right: Acro rail on a Picatinny riser.
Approximate Acro rail measurements. Acro style dovetail rail dimensions.png
Approximate Acro rail measurements.

Many reflex sights (e.g. red dot sights) and holographic sights have proprietary mounts. [23]

Bases

By bases, is usually meant an interconnecting part between the scope and the firearm. For example, a base may have a picatinny attachment on the underside, while the upper side may have either a ring (e.g. 30 mm) or rail mounting (e.g. Zeiss rail). On some assemblies, the upper and lower parts of the base are separate parts that must be screwed together and fastened to a specified torque. [29] A base can thus sometimes constitute a complete scope mount assembly, but is most often used to refer to the lower part of a two-part scope mount assembly.

The firearm interface which sits on the firearm and to which the scope mount is attached is often called the base or rail.

Some types of bases are:

Standard mounts
Proprietary and brand specific mounts

Screw pattern on bases

On receivers without an integrated attachment for mounting a scope, for example, an integrated Picatinny rail, the base is usually screwed on as a separate part. Such mounts are often model-specific to the firearm, and depend on factors such as the radius of the receiver bridge, the type of screw and the distance between the screw holes. A common fastening method is by screws. These are often metric M3.5x0.6 mm or US #6–48 (⌀ 3.5 mm, 0.53 mm pitch) or #8–40 (⌀ 4.2 mm, 0.64 mm pitch).

Many European assemblies use M3.5 screws, such as SAKO Optilock, Recknagel and original CZ rings. Since #6–48 and M3.5x0.6 have near identical diameters and almost equal pitch, there is a potential for confusion, and upon mixing the wrong screw will enter the threads, but will gradually become tighter to screw until the thread is destroyed. In case of damage, the hole must often be drilled and re-threaded, and M4x0.7 or #8–40 may then be relevant alternatives.

Remington 700 pattern

The Remington 700 Short Action (SA) scope base attachment pattern is particularly widespread, and is for example used on models such as: [54]

The Remington 700 Long Action (LA) naturally has a longer distance between the front and rear screw holes, and therefore continuous scope mount assemblies for the 700 LA do not fit on the 700 SA nor the above-mentioned firearms. However, two-piece scope mounts in general interchange for the mentioned models.

List of common screw patterns

Bases with a rounded bottom for mounting on a round receiver bridges should ideally have a slightly smaller radius than the receiver in order to provide two points of contact and give a stable attachment. Conversely, a slightly too large radius on the mount will result in just one point of contact and a less stable attachment.

In the table below, the radius refers to the curvature of the mounting surface on the receiver bridge. The base is often attached with two screws on the front receiver bridge and two screws on the rear receiver bridge, but sometimes with several more screws. The hole distances are measured from center-to-center. Some common hole distances are 12.7, 15.37 and 21.84 mm (0.500, 0.605 and 0.860 in) respectively). [55]

The two front screws are referred to in the list below as screws 1 and 2, and the front hole spacing is thus referred to as «distance 1–2». In the same way, the rear hole distance is called «distance 3–4». The distance between these is largely determined by the receiver length, and is stated here as «distance 2–3»

Reveicer radius and screw pattern
Receiver bridge radius (rear, front)Distance 1–2 (front)Distance 2–3 (middle)Distance 3–4 (rear)Modeller
Dovetail, 10.9 mm12.7 mm76.2 mm12.7 mmAnschütz 64 [56]
Dovetail, 11 mm22 mm80.3 mm22 mmKrieghoff Semprio [57]
Dovetail, 11 mmN/AN/AN/A SIG Sauer SSG 3000, [58] SIG Sauer 200 STR, [58] Accuracy International (several models [58] ), CZ 452, [58] CZ 453, [58] CZ 455, [58] CZ 511, [58] CZ 512, [58] CZ 513, [58] Mauser 201, [58] Keppeler (several models) [58]
Dovetail, 11.26 mm12.7 mm76.2 mm12.7 mmAnschütz 54 [56]
Dovetail, 16.5 mm21.84 mm*Varies21.84 mm Tikka T3 (*82.2 mm), [59] 55, 65, 558, 590, 690, Tikka Master, Tikka T1 (*63.8 mm). [56]
Dovetail, 19.5 mmN/AN/AN/ACZ 527 Standard, 550 Standard, 550 Magnum [60]
14 mm, 16.5 mm21.84 mm95.8 mm12.74 mm Carl Gustaf 1900, Husqvarna 1900, Antonio Zoli 1900 [59]
12 mm, 24 mm21.84 mm88.5 mm15.4 mmMerkel SR1 [59]
15 mm12.5 mm73.5 mm12.5 mm Schultz & Larsen Legacy [61] [56]
15 mm21.84 mm22.10 mm21.84 mmAnschütz 1727. Distance 1–2: 21.84 mm; distance 2–3: 22.10 mm; distance 3–4: 21.84 mm; distance 4–5: 58.67 mm; distance 5–6: 21.84 mm.
15 mm35 mm35 mmN/A Anschütz 1827 Fortner
15.65 mm21.84 mm52.3 mm15.4 mmRemington Model 4, 6, 750, [59] Remington 870 (12 and 20 gauge), 870 TAC, [59] 7400, 7600, Benelli M1, M1 Super 90, M2, M3.

*The radius is similar, but the screw types used vary

15.9 mm22 mm102.4 mmVaries,

0–13.2 mm

Mauser K98 [59] Mauser large ring: Modell 98, Centaurian, FN, Interarms Mark X, Parker Hale 1200, Santa Barbara, as well as Mexican Mausers.
16.5 mm22 mm88.4 mm22 mm Carl Gustaf 3000, Sauer 80, 90, 92
16.5 mm, 15 mm22 mm103.4 mm12.7 mmKrico Model 700, 900, 902 [59]
16.5 mm22 mm107.4 mm22 mm Carl Gustaf 2000
16.5 mm, 18 mm21.9 mm110.9 mm12.8 mmHeym SR21
16.5 mm, 15 mm21.9 mm118.5 mm12.8 mm Heym SR30
(missing)21.84 mm101.66 mm12.8 mm Mauser M12 [59] (not the same as Sauer 101)
(missing)12.8 mm54 mm12.8 mmMossberg 500, 535, 835
17 mm21.84 mm98.0 mm21.84 mmSchultz & Larsen Classic DL, [56] 68 DL, 84, 97 DL, 97, M97
17 mm21.84 mm110 mm21.84 mm Rößler Titan 3, Titan 6, Titan α [59]
17 mm21.84 mm101.0 mm21.84 mmSchultz & Larsen Ambassador, [56] Victory [62]
17 mm / *21.84 mm100.1 mm21.84 mmSavage (short action): [59] Savage Axis, Savage Edge, Roessler Titan.

*Newer models have a radius on both the front and rear receiver bridges, while older models have a radius on the front bridge and a flat on the rear bridge.

17 mm / *21.84 mm117.58 mm21.84 mmSavage (long action) [59] *Newer models have a radius on both the front and rear receiver bridges, while older models have a radius on the front bridge and a flat on the rear bridge.
17 mm, 34 mm21.84 mm81.7 mm12.7 mm Winchester Model 70 (WSSM) [59]
17 mm, 34 mm21.84 mm82.8 mm21.84 mm Winchester Model 70 (short action) [59]
17 mm, 34 mm21.84 mm85.1 mm21.84 mmWinchester XPR Short [59]
17 mm, 34 mm21.84 mm89.4 mm21.84 mm Winchester Model 70 (WSM) [59]
17 mm, 34 mm21.84 mm96.5 mm21.84 mm Winchester Model 70 (long action) [59]
17 mm, 34 mm21.84 mm98.1 mm21.84 mmWinchester XPR Long [59]
17 mm, 34 mm21.84 mm109.5 mm21.84 mm Winchester Model 70 (X-Long) [59]
17 mm, 51 mm21.84 mm82.4 mm21.84 mmRemington 783 Short [59]
17 mm, 51 mm21.84 mm90 mm21.84 mmRemington 783 Long [59]
17 mm, 51 mm21.84 mm92.2 mmN/ARemington Model 600, 660, Mohawk
17 mm, 51 mm21.84 mm113.9 mm15.4 mmHaenel Jäger 10 [59]
17 mm, 51 mm21.84 mm114 mm15.35 mmRößler Titan 16 [59]
17 mm, 60 mm21.8 mm(missing)15.4 mm Howa 1500 (mini action)
17 mm, 60 mm21.84 mm87 mm15.4 mmSabatti Rover 600 (short action) [59]
17 mm, 60 mm21.84 mm98.5 mm15.4 mm Howa 1500 (short action) [59]
17 mm, 60 mm21.84 mm102.7 mm15.4 mmSabatti Rover 780 (long action) [59]
17 mm, 60 mm21.84 mm(missing)15.4 mmWeatherby 300
17 mm, 60 mm21.84 mm(missing)15.4 mmWeatherby Europa
17 mm, 60 mm21.84 mm98.5 mm15.4 mmWeatherby Vanguard Short [59]
17 mm, 60 mm21.84 mm113 mm15.4 mmWeatherby Vanguard Long, [59] Mark V Short [59]
17 mm, 60 mm21.84 mm114 mm15.4 mm Howa 1500 (long action) [59]
17.2 mm, 50.8 mm21.84 mm92.2 mm15.4 mm Remington 700-kortkasse [59] (short action, SA). Also used on Remington Model 722, 40x, 78, 740, 742, 760, 710, 721, 722 and 725, Mauser M96 / 96S and SR 97, Sauer 100, Sauer 101, [59] Mauser M18 (not M12), Roessler Titan 16, Bergara B14 LA, Haenel Jäger 10, Sabatti Rover LA. [54]
17.2 mm, 50.8 mm21.84 mm113.9 mm15.4 mm Remington 700-langkasse [59] (long action, LA). Sauer 100, Sauer 101.
17.4 mm21.8 mm93 mm21.8 mm Sauer 200 [59] (not 200 STR)
17.4 mm21.84 mm94.2 mm21.84 mm Sauer 202 [59]
17.4 mm21.84 mm100.2 mm21.84 mm Sauer 202 Magnum [59]
17.5 mm21.9 mm98.5 mm2x15.4 mmAnschütz 1780, [59] 1781
17.5 mm21.84 mm98.5 mm2X15.4 mmHaenel SLB 2000 Plus (+), H&K SLB 2000 [59]
17.5 mm21.84 mm98.5 mm2x15.4 mmMerkel SR1 Basic [59]
17.5 mm10 mm99.9 mm10 mmSteyr-Mannlicher Luxus (l, m, s)
17.5 mm10 mm100.5 mm10 mmSteyr-Mannlicher (medium action, older models) [59]
17.5 mm21.84 mm56 mm21.84 mmSteyr-Mannlicher (super short action): Classic, Pro Hunter [59] [56]
17.5 mm21.84 mm76 mm21.84 mmSteyr-Mannlicher (short action): Classic, Pro Hunter, Export, SM12 [59]
17.5 mm21.84 mm83 mm21.84 mmSteyr-Mannlicher (medium action): Classic, Pro Hunter, Export, SM12 [59]
17.5 mm21.84 mm87.5 mm21.84 mmSteyr-Mannlicher (long action): Classic, Pro Hunter, Export, SM12 [59]
17.5 mm, 18 mm, 14 mm(varies)(varies)(varies)Mauser Modell 93, 94, 95 and 96, samt Kurz. Mauser small ring (G33/40, vz. 33).
18 mm12.7 mm81 mm12.7 mmBrowning Acera, Browning Maral, [59] Benelli ARGO, [59] Browning BAR, [59] Winchester SXR Vulcan, [59] Fabarm Iris
19.1 mm(varies)(varies)(varies)Mauser Magnum (commercial)
34 mm21.8 mm82.4 mm21.8 mmSako A7 (short action) [59]
34 mm21.8 mm84.5 mm21.8 mmSako A7 (medium action) [59]
34 mm21.8 mm95.5 mm21.8 mmSako A7 (long action) [59]
34 mm (35.6 mm)21.84 mm76 mm14 mmBrowning A-Bolt (short I) [59]
34 mm (35.6 mm)21.8 mm79 mm21.8 mmBrowning A-Bolt (short II) [59]
34 mm (35.6 mm)21.8 mm82.5 mm21.8 mmBrowning A-Bolt (short III) [59]
34 mm (35.6 mm)21.8 mm98.1 mm21.8 mmBrowning A-Bolt (long III) [59]
(missing)17.78 mm71.74 mm17.78 mmBrowning X-Bolt (super short) [59]
(missing)17.78 mm74.74 mm17.78 mmBrowning X-Bolt (short) [59]
(missing)17.78 mm93.84 mm17.78 mmBrowning X-Bolt (long) [59]
38.1 mm12.7 mm65.35 mm15.4 mmRuger 10/22 [59]
Flat12.7 mm47.6 mm12.7 mmMarlin 1894 [59]
Flat12.7 mmVaries*12.7 mmMarlin Model 1894, 1895, 336, 338, 308, 444. [59] *The distance between the front and rear base varies, and can for instance be 47.6 mm, 60.3 mm or 69.85 mm.

Other features

Quick release

Picatinny ring mount with two quick-detach levers. Left Side.png
Picatinny ring mount with two quick-detach levers.

Quick release (QR) can refer to several different variants of scope mounts which can be mounted and disassembled quickly without tools.

Tilt

In some cases, it may be relevant to add extra inclination to the scope to be able to shoot at longer (or shorter) distance. For example, this is popular for long range shooting, where it is common to use a tilt of 6  mrad (20 MOA). Extra tilt can be achieved several ways, like for example with a tilted Picatiny rail (e.g. 6 mrad tilt), with bases or rings (e.g. 6 mrad tilt) or with special insert rings (e.g. Burris Pos-Align). [21]

Scope height

The height of scope sight can be important for the cheek rest support (often called cheek weld) to gain correct eye placement, as well as for calculating ballistics (e.g. a ballistic table). The latter is particularly relevant at very close ranges (e.g. 15 meters [49 feet]), while at longer distances, such as in long range shooting, the scope height has less impact on the ballistic calculations.

The height of a scope sight can be measured in many ways. With regard to ballistic calculations, it is generally only measured from the center of the bore axis to the center of the scope sight (sightline). With regard to cheek support, several methods are used: On firearms with a picatinny rail, the height is measured from the top of the picatinny rail on the firearm. On most other types of bases it is common to measure from the top radius of the receiver bridge.

When the bottom measuring point is determined, the height is then measured up to either the optical center or the bottom of the scope tube, on scopes for ring mounts. The difference between these two measuring methods is distance from the optical center to the bottom of the scope tube, and usually corresponds to half of the tube diameter (e.g. 15 mm on binoculars with a 30 mm tube).

See also

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Blaser Jagdwaffen GmbH is a German firearms manufacturer of high-end shotguns and rifles both for the hunting and tactical market. It was founded in 1957 by Horst Blaser, developing the drilling Blaser Diplomat. In September 2008, Blaser established a office in San Antonio, Texas.

<span class="mw-page-title-main">Dovetail rail</span> Type of attachment rail on firearms

A dovetail rail or dovetail mount can refer to several types of sliding rail system found on firearms, primarily for mounting telescopic sights. Colloquially, the term dovetail rail usually refer to any straight mounting bracket with an inverted trapezoid (dovetail) cross-section running parallel to the bore for mounting a scope or diopter sight to a rifle. These are sometimes also called "tip-off" mounts, and allow the user to easily take on or off the sight. Dovetail mount can also refer to a dovetail track running perpendicular to the bore.

The Beretta 1301 is a gas-operated semi-automatic shotgun produced by Beretta, and imported by Beretta USA in the United States. The firearm has two separate designs. One is intended for tactical self-defense and law enforcement applications whereas the other is designed for target shooting sports. Despite its intended applications, it is often used by a minority of hunters and sporting clay shooters.

<span class="mw-page-title-main">Zeiss rail</span> Rifle scope system

Zeiss inner rail, generally simply referred to as Zeiss rail, is a ringless scope sight mounting system introduced by Zeiss in 1990 as an alternative to traditional ring mounts. A patent was granted in 1992, and the patent expired in 2008. The mounting system is now also offered on sights sold by other major manufacturers, such as Blaser, Leica, Minox, Meopta, Nikon, Noblex, Schmidt & Bender and Steiner. The system has so far seen most use on the European high-end market.

References

  1. ↑ Blaser Infinity 2.8-20x50 IC vs Swarovski Z8i 2-16x50 – Rifles Scopes Expert Every Blaser [scope] comes with a Zeiss ZM/VM mounting rail [...]
  2. ↑ Nikon Sport Optics & Hunting Catalogue 2017 "Rail mount models (Zeiss Inner Rail Standard) are available (1-4x24 IL ZR and 2.5-10x50SF IL ZR"
  3. ↑ Docter to Noblex – Optics info
  4. 1 2 Schmidt & Bender – Main catalog 2016
  5. ↑ Nighthunter Xtreme Riflescope Instruction Manual "Rail models work with standard rail bases for “Z" or Zeiss rails."
  6. ↑ Zeiss ZM / VM Rifle Scope mounting rail – Optics info
  7. ↑ Patent AT480748T Application filed 9 June 2002 by Swarovski Optik]
  8. ↑ Patent US6901692B2 Application granted 7 June 2005]
  9. ↑ Patent DE50214644D1 Application granted 21 October 2010]
  10. ↑ Swarovski catalog October 2005
  11. ↑ Scopes and Mounting Systems | Hunt Forever
  12. ↑ Schmidt & Bender catalogue "The convex hollow rail. Our hollow rail with a convex outer surface, offered on all Zenith models, is distinguished by elegant lines, and allows the use of reliable slide-in mount fasteners. This innovative rail also makes it possible to tilt the scope up to 1° to the left or to the right."
  13. ↑ "LM rail Mounts – Optics-Trade". United States. Retrieved 2021-01-04.
  14. ↑ "LM rail and mounting solutions | Optics Trade Debates – YouTube". www.youtube.com. Retrieved 2021-01-04.
  15. ↑ RifleShooter – How to Lap Scope Rings
  16. ↑ History | Burris Optics
  17. 1 2 US5433010A – Self aligning optical gun sight mount with eccentric adjustment capabilities – Google Patents
  18. ↑ Internationaler Silhouettenclub – Visiereinstellungen
  19. ↑ Trademark Electronic Search System (TESS) – 77509718
  20. ↑ Lähteenmäki, Pekka (28 December 2016). "Suomalainen asetehdas löysi isännän Italiasta – "Olemme outo osakkeenomistaja"" . Retrieved 11 May 2018.
  21. 1 2 "Tough Burris Tactical Rings with Inserts — Best Option for PRS? « Daily Bulletin". bulletin.accurateshooter.com. Retrieved 2021-01-04.
  22. ↑ US10415934B2 – Self-aligning optical sight mount – Google Patents
  23. 1 2 3 4 5 6 7 Footprints/Mounting Standards on Red Dot Sights – Optics info
  24. ↑ Gradišnik, Andraž (2022-08-24). "Aimpoint Acro C-2 Footprint". Optics Trade Blog. Retrieved 2022-10-16.
  25. ↑ "Aimpoint ACRO Mounts – Optics-Trade". United States. Retrieved 5 November 2022.
  26. ↑ "History". aimpoint.us. Retrieved 5 November 2022.
  27. 1 2 M, Sam (21 April 2016). "Aimpoint Comp M4 Sight". Gunivore. Retrieved 5 November 2022.
  28. ↑ Aimpoint Comp M4 review
  29. ↑ Scope & Rifle Torque Specs Database | Tactec
  30. ↑ Suhl Claw Scope Mounts – Optics-Trade
  31. ↑ Pivot Scope Mounts – Optics-Trade
  32. ↑ Aimpoint Micro mounts selection
  33. ↑ De Vries III, George. "Blaser R93 Rifles". chuckhawks.com. Retrieved 26 February 2017.
  34. ↑ Contessa 12 mm rails – Contessa Mounts – Optics-Trade
  35. ↑ Alan Rhone Ltd – Contessa | How the 12mm Euro Rail Works
  36. ↑ X-Lock – Browning North America
  37. ↑ Installing Standard and Double Dovetail Rings – YouTube]
  38. ↑ Dual Dovetail Scope Mounting Kits | Leupold
  39. ↑ Studio FortHjort – Tilpasning av Mauser M03 montasje – YouTube Video of fitting the Mauser M03 Scope Mount on YouTube (Norwegian)
  40. ↑ Mauser M03 Blog: Mauser M03 – Installing Riflescopes to Double Square Mounts
  41. ↑ Mauser M03 rifle review – Shooting UK
  42. ↑ Mounting the Burris Eliminator III – I Am Hunter
  43. ↑ Rings and bases: Rifle accuracy starts with the scope mounts
  44. 1 2 3 4 5 Ruger Mounts Archives – Warne Scope Mounts "Model specific fits (dovetail only) for Ruger #1, M77 centerfire, Mini-14 Ranch, Mini-30 Ranch, Redhawk, Super Blackhawk, Single-Six, Super Redhawk and 77/17, 77/22, 77/357, 77/44"
  45. ↑ American Rifleman | The Ruger Model 77 Rifle Turns 50
  46. ↑ Ruger Scout Review | Sporting Rifle magazine
  47. ↑ American Rifleman | Ruger Mini-14 Tactical in 300 AAC Blackout
  48. ↑ Model 96 Instruction Manual – model96.pdf
  49. ↑ Tactical Response – Weapons – POLICE Magazine
  50. ↑ Scope Mounts | SAKO
  51. 1 2 Sauer ISI Rail Scope Mounts – Optics-Trade
  52. ↑ Fitting Schultz & Larsen scope mounts | Scope Mount Reviews | Gun Mart
  53. ↑ Schultz & Larsen | Scope Mounts
  54. 1 2 Scope mounts for Remington 700 SA – Optics-Trade
  55. ↑ US20090133311A1 – Universal scope mounting system – Google Patents
  56. 1 2 3 4 5 6 7 "Picatinny Rail Selector". www.alanrhone-store.com. Retrieved 10 January 2021.
  57. ↑ "Scope mounts for Krieghoff Semprio – Optics-Trade". United States. Retrieved 11 January 2021.
  58. 1 2 3 4 5 6 7 8 9 10 11 "Scope mounts for CZ 455 – Optics-Trade". United States. Retrieved 11 January 2021.
  59. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Alan Rhone Ltd – Service | Picatinny Rail List
  60. ↑ "Scope mounts for CZ 527 – Optics-Trade". United States. Retrieved 11 January 2021.
  61. ↑ Schultz & Larsen | Legacy Rifle
  62. ↑ "Schultz & Larsen | Scope Mounts". www.greatdanerifles.com. Retrieved 11 January 2021.
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