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LM rail Mounts

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The LM rails were a popular mounting solution in the previous decades in Europe. It has since then been almost entirely replaced by other, more modern mounting types. This rail is prismatic in its cross shape, with the angles of the rail placed at a 70° angle – therefore it was also known as the 70° prism rail. At the base it was 15 mm wide. The old rifle scopes had the LM rail attached to them at two points. The first point of securing the scope was on its objective. It was done quite similar to that of the Suhl or German Claw mount. The other point of contact was situated on the rifle scopes main tube, about the same place as it is done today. For this reason the LM rail was thin at one end and thick at the other. There was also a difference of height of both rails and in most cases, custom mounting solutions had to be made to compensate for this difference.

In the past there weren't so many standards. That is why almost every single LM rail was individualy fitted and custom finished to join the rifle scope with its firearm. The results were higher costs and non-interchangeable parts. In order for the rail to stay in its place and not to compromise the shooting accuracy, it was fixed to the rifle with a hole bored through the rail and the rifle, which was later fastened with a screw. It acted as a recoil stop as well. In today's world, there are almost no producers of scopes with LM rail on the market.

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A Merkel Suhl Tilt-up mount is a mounting system found on Merkel repeating rifles KR1 and on their break barrel rifles like the single shot K3/K4 and at combination rifles B3/B4. This mounting solution offers great flexibility since the same mounts are used on such different types of rifles and on the other hand, it offers 100% repeatability. Other advantages are:

  • lightweight, small and elegant mounts,
  • low height of mounting, including for the scopes with rails,
  • very easy and straight forward handling of the mount.

 

This mounting system has 4 mounting grows directly on the barrel and a cross section for the recoil stopper at the top of the barrel. Mounting of riflescopes directly on the barrel offers an advantage that it is possible to change the barrel and the scope together. Merkel KR1 is a prime example where a user can have multiple barrels with multiple scopes for one rifle only. Additionally since Merkel Suhl Tilt-Up mounts offer 100% repeatability, the user can have multiple scopes on each of the barrels. This type of mounts offer true versatility.

 

Even though Merkel Tilt-up mounting system has 4 groves and one recoil slot, most of the mounts for red dot sights clamp only to two groves and not all four. Nevertheless these mounts also fit on all rifles with this mounting system and also provide 100% repeatability.

 

Merkel Suhl Tilt-Up mount is used on the following rifles:

  • Merkel KR1,
  • Merkel B3/B4,
  • Merkel K3/K4.