Contessa Picatinny Rail for Sabatti Rover 870 (Sabatti Rover LA) (20 MOA) Details
Picatinny rail consists of slots with 5.23 mm spaces between one another, which means that it can be used across its entire length. It is simple to mount and interchangeable – if something is made for a Picatinny rail, it will fit regardless of the manufacturer or manufacturing date. It is affordable, resilient and reliable – this is why it so commonly used by professionals and military. Because of all its great qualities, Picatinny rail has been dominating the rail market in the recent years.
Picatinny is a big step forward from the Weaver standard. Weaver has a few predesignated slots while Picatinny has slots all over its surface, allowing the device to be mounted wherever the user finds it fitting. Weaver’s slot is 3.8 mm wide, which is why ring mounts made for a Weaver rail will also fit on a Picatinny rail while ring mounts made specifically for a Picatinny rail will not fit on a Weaver rail. This is one of the main reasons why Picatinny is a far better mounting solution.
Contessa is an Italian company, famous for producing aesthetically appealing mounts with a nice finish. The tolerances of the produced pieces are very tight – there are no deviations, the mounts are very carefully machined. Contessa’s Picatinny rails are made from steel and come with their unique screws which fit nicely into the rail. The screws have a huge contact surface and a bigger head than screws of other mount manufacturers, while the thread is the same. Contessa’s Picatinny rails, made in Italy, are available in both 0 MOA and 20 MOA versions. Throughout the middle of the rail, there is a canal so that the rail can be used together with rifle’s sights.
20 MOA Inclination
20 MOA inclination is only needed when the scope runs out of elevation. For example, when shooting at the range of 100 m, shooter gains 58.2 cm / 100 m of additional elevation range with a 20 MOA mount. This is approximately 5.8 Mrad of elevation. To make things even clearer – if the target was placed at 100 m, the scope with 20 MOA inclined rail would aim to the center of the target while the rifle’s barrel would aim 58 cm higher than the scope. This gives the shooter extra elevation needed for long range shooting. If you plan to shoot on distances longer than 600 meters, use of rail with 20 MOA is greatly recommended. There is no negative effect of the inclined Picatinny rail in the mounting setup if you only shoot on shorter distances. The same goes also the other way around, since if you don’t shoot on extreme distances then Picatinny rail with inclination is not needed.
About the rifle
The Italian region of Val Trompia is known for its weapon craftsmanship history. The Sabatti family are among those credited for the region’s reputation. Lodovico Sabatti, for example, was an excellent designer of flintlock pistols and barrels, while Giuseppe Sabatti made exceptional blunderbusses. Another Giuseppe Sabatti was one of the best gunsmiths in the world during the first half of the nineteenth century. In 1960, the sons of Antonio Sabatti started a business based on the manufacture of shotguns and rifles – it soon became a success. Since then, the Sabattis are continuing the tradition of their predecessors by constantly looking to satisfy the demands of firearms users around the world. Because so many members of this family excelled in weapon craftsmanship, Sabatti has remained a renowned and reputable company up to this day.
As regards action length, there are two versions of Sabatti Rover rifles – Sabatti Rover 600 rifles with a short receiver and Sabatti Rover 870 rifles with a long receiver. Both are bolt-action rifles. This mount is suitable for Sabatti Rover Model 870 (long action).
Model 870 is an updated version of Model 87. In contrast to Model 600, Model 870 is available in both short and long-action versions. Tthe rifle is chambered for: 5.6×57, 6×62 Frères, .243 Win., 6.5×55 SE, 6.5×57, 6.5×55 RWS, .270 Win., 7×57, .308 Win., .30-06 Sprg., 8×57 and 9.3×62. The fixed magazine holds a max. of 5 cartridges. For mounting purposes, there are two holes on the front side of the receiver and two holes on the rear side of the receiver, 4 holes altogether.
Sabatti Rover rifles are available in two action lengths. When a rifle is available in more than one action length, only two-piece mounts are interchangeable between these rifles – a two-piece mount made for Sabatti Rover 870 (long action) can also be mounted on Sabatti Rover 600 (short action). One-piece mounts will only fit a rifle with a specific action length – a one-piece mount made for Sabatti Rover 870 (long action) will not fit Sabatti Rover 600 (short action).
A: 21.9 mm
B: 102.7 mm
C: 15.3 mm
BHU: 3.2 mm
Remove all the stains (grease, oil etc.) from the rifle’s receiver with a cleaning fluid (acetone). Once the surface is clean and dry, check whether the screws match the rail and the holes on the receiver. Make sure that the Picatinny rail is compatible with the rifle by inspecting the mounting holes on both. Before mounting the rail permanently, apply a minimal amount of thread-locking fluid 278 or 648 on screws and contact surfaces. Be careful not to get the fluid in or near the mounting holes. Carefully clean the remaining excess fluid around the rail with a cleaning fluid. Using a torque driver, screw the screws appropriately (up to 2.2 Nm) – do not overtighten.
The product has a warranty period of 30 years.
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