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30mm Scope Mount Rings

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General features

There is more than one way to mount a rifle scope, but the most widespread is the option with rings. It has numerous advantages, for starters, it's affordable and available in the biggest number of versions. A lot of today's riflescopes need a 30mm scope mount - because they feature a 30mm main tube diameter. This means that in order for you to connect your rifle scope to the firearm you need the 30 mm rings for mounting. The most important thing when mounting a rifle scope with rings is to be aware of the appropriate force needed to fasten the rings. Go over the limit and the structural integrity of the rifle scope will be compromised. Rings can also leave a visible mark if not tighten accordingly. The amount of torque should not exceed 2.2 Nm.

Since the rifle scopes with 30mm tubes are the most common one in today’s world, the range of 30mm mounts is the widest among all mounting options. Even on our webpage, this category of mounts is the biggest. There is almost no firearm in existence that would not have at least some sort of mounts for 30mm scopes.

Rings for the 30mm scope tubes on hunting rifles are usually 15mm wide and thus slick and elegant. Tactical mounts are however in most cases much wider (up to 32mm) and thus more robust and bigger. With very wide rings the pressure on the scope tube is better to disperse and a better and more secure fit is achieved. Wide tactical rings also leave fewer marks on the scope tube. On the other hand, bulky tactical rings don’t really look appropriate on elegant hunting rifles.

While many mounts meant for hunting rifles are still made from steel, almost all tactical mounts are made from aluminum. High-quality European riflescope mount producers use high-quality aluminum alloys which are equally strong as steel but much light at the same time.

Hunting mounts with 30mm rings usually have 1/3 – 2/3 arrangement of the rings and tactical mounts usually have ½ - ½ arrangement.

Hawke 9-11mm Match Mounts, 30mm, 0 MOA, Matte style

Hawke 9-11mm Match Mounts, 30mm scope mount

The 30 mm rings are manufactured by:

Is lapping of the rings really needed?

Lapping is a process that is essentially lining two mounting rings perfectly to one-a-another. It is done with special cylinders that grind off the excess metal.

When the ring is constructed from two near half circles - so if the circle of the ring is split in half, roughly in the ratio 50:50 and such rings are mounted on two separate mounting bases, then lapping is recommended. If lapping is not performed, the very small offsetting can be present when all the different pieces of the mount come together and when both rings are mounted on two separated bases. If the mounting of two high-quality rings is done on a single-piece base, then lapping is not needed. This is one of the reasons that Picatinny rails style are becoming so popular in recent years.

In the worst-case scenario, the axis that runs through the center of the rear ring does not completely match the axis that runs through the center of the front ring. For this reason, the scope, if mounted into such rings is under unwanted structural stress. The most obvious problems that occur due to this reason are less than perfect optical performance, tracking problems, the side focus mechanism can stop working and the point of impact groups can be dispersed.

If the ring is designed in the fashion of 1/3 base of the ring and 2/3 of the top of the ring then lapping is not required as the design is plastic enough to bend slightly and adjust its shape to the scope tube. The same applies to ½-1/2 rings mounted on the single-piece base.

It may be a good idea to take into consideration to choose the 1/3: 2/3 rings as they do not require additional lapping to be fitted properly. Or use a single-piece mounting base.

Lapping is also not required with monoblock mounts and all mounts are made from one piece of material and alignment of both rings is usually perfect. It is also not required with high-quality European mounts since their tolerances are minimal.

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Primary Arms 30mm Tactical Ring, Low Height (Single) for Shotgun/AK

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What are the main benefits of mounting a red dot sight on a shotgun?

The first and biggest benefit is the faster and easier aiming possibility since your eyes do not need to focus on bead sights or open sights on the rifle, and on the same time also on the target. This is especially noticeable among older shooters, which do not see so good anymore like the younger ones. Because aiming with a red dot sight is much faster, it is the perfect solution for driven hunts, where the hunter does not have much time to place the perfect shot.

A mounted red dot sight on a shotgun is also very handy for shooters which have opposite dominance of the eyes and arms – right hand and left eye for example.

As most of the hunters know, aiming over the rib with bead sights isn’t very accurate since different shotguns shoot differently.

This is especially noticeable when shooting slugs.
With a red dot, the shotgun can be shot very accurately and the red dot can be perfectly zeroed.

Why this aren’t picatinny rails that are going straight to the rifle body?

Shotguns with a pre-mounted Picatinny rail are mostly tactical shotguns, which are used by the police and military. But because the Picatinny rails are very popular for mounting optics and other accessories, many semi-auto hunting shotguns have the holes for mounting a rail already prepared.

In this category, we listed mounts that can be mounted

directly on the rib of the shotgun or
between the stock and the action of the rifle.

To do so, the rib on the rifle has to be ventilated. A ventilated rib is most common on "over and under" shotgun rifles, and is very rare on "side by side" shotgun rifles.

It is worth to mention that all mounts that come on the rib of a shotgun have to be pushed towards the muzzle to ensure a perfect fit with no movement during shooting sessions.

Picatinny rails for mounting on the "rib" of a shotgun

A Picatinny rail that can be mounted on the rib of a shotgun has one major benefit – it can be mounted on the entire length of the rib, so every user can adjust the eye-relief to his favorite position.

When a Picatinny rail is mounted, also the selection of the red dot sights increases. Almost all sights on the market feature a mounting solution for a Picatinny rail, so the user can easier decide what to mount. It is, whatsoever, worth mentioning that these Picatinny rails are not designed to be used with combination with a traditional rifle scope since the additional weight could damage the rib on the shotgun.

Because of the different shapes of the ribs on the shotguns, the manufacturers produce these Picatinny rails in different dimensions for each individual rifle. The most known manufacturer of such Picatinny rails is Recknagel, which has the widest selection on the market.

Docter Sight mounts for mounting on the "rib" of a shotgun

The "Docter Sight" mounting platform is the most common platform on red dot sights on the market. There are many companies that use this platform as their preferred one, because in most cases it is the lowest mounting solution.

The red dot sights that use this mounting platform are from design up very low, which is perfect for mounting on a shotgun since the aiming point does not travel too much higher, and the user still has to aim over the rib as before.

Typically, these mounts can be mounted on many types of shotgun ribs, so they are not designed for one specific rib on one specific shotgun.

Aimpoint Micro mounts for mounting on the "rib" of a shotgun

Aimpoint Micro mounts are practically the same as the Docter Sight mounts, just that they have an Aimpoint Micro profile instead of a Docter Sight profile. Today, this footprint is also widely used for other red dots on the market.

From the combination of these mounts and Aimpoint Micro red dots, the idea for the Micro S-1 was born.

Docter Sight mounts for mounting between the stock and the action of the rifle

To mount a red dot sight between the stock and the action on a shotgun was an idea from the American company Burris, which is owned by the Beretta group. In this group are also many companies which produce shotgun rifles, such as Benelli, Franchi, Stoeger, and so on.

On these mounts not only the Docter Sights can be mounted, but all red dot sights on the market that have the same footprint.

The main benefit of such a mount is the distance to the eye – because it is very close, the user quickly finds the red dot in his field of view. Whatsoever, many users don’t like this solution because the aesthetics of the rifle changes.

Red dot sights that can be mounted directly on the "rib" of a shotgun

The first red dot sight on the market with such a solution was from the Swedish company Redring. It can be mounted on any rib width ranging from 5 to 11.5 mm, on Over/Under, and Semi-automatic shotguns.

Because such sights are gaining on popularity, more and more companies design their own red dot sights that can be mounted directly on the rib of the shotgun.

In this category, you can find:

passive sights such as Easy hit, all the way to
Docter/Noblex Quicksight,
Aimpoint Micro s-1 and
similar.

30mm Scope Mount Rings

VIDEO

General features

Is lapping of the rings really needed?

Primary Arms 30mm Tactical Ring, Low Height (Single) for Shotgun/AK

What are the main benefits of mounting a red dot sight on a shotgun?

Why this aren’t picatinny rails that are going straight to the rifle body?

Picatinny rails for mounting on the "rib" of a shotgun

Docter Sight mounts for mounting on the "rib" of a shotgun

Aimpoint Micro mounts for mounting on the "rib" of a shotgun

Docter Sight mounts for mounting between the stock and the action of the rifle

Red dot sights that can be mounted directly on the "rib" of a shotgun

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30mm Scope Mount Rings

VIDEO

General features

Is lapping of the rings really needed?

Primary Arms 30mm Tactical Ring, Low Height (Single) for Shotgun/AK

What are the main benefits of mounting a red dot sight on a shotgun?

Why this aren’t picatinny rails that are going straight to the rifle body?

Picatinny rails for mounting on the "rib" of a shotgun

Docter Sight mounts for mounting on the "rib" of a shotgun

Aimpoint Micro mounts for mounting on the "rib" of a shotgun

Docter Sight mounts for mounting between the stock and the action of the rifle

Red dot sights that can be mounted directly on the "rib" of a shotgun

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