Contessa Picatinny Rail for Remington 700 Long (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
Remington Arms was founded in 1816 when Eliphalet Remington made a flintlock rifle with a firing mechanism. Remington is possibly the oldest gun maker in America that still produces its original product guns. They produce firearms, ammunition and other accessories. Remington model 700 and model 870 are among the best selling firearms of all time. The company is also known for the development of more cartridges than any other company in the world.
Remington 700 is a series of bolt-action rifles. It’s important to know that these rifles have been in production since 1962 and are still in production today. There are various models on the market but all are based on the same centerfire bolt action. They come with three, four, five or six round internal magazine which depends on the caliber used. Its action is designed with two forward dual-opposed lugs and uses a C-clip extractor. All models are equipped with externally adjustable triggers, hammer-forged barrels, and supercell recoil pads. The rifles weigh about 4 kg, and are available in barrels length 16,5”, 18,5”, 20”, 22”, 24” and 26”. There are four holes drilled and tapped for the purpose of mounting. There are many model 700 rifles on the market and they are made for various calibers. Long-action models can be chambered for the following calibers: .270 Win., 7mm Rem. Mag., .30-06 SPRG., .300 Win. Mag., .300 Rem. Ultra Mag., .338 Rem. Ultra Mag., .25-06 Rem etc.
LA stands for long action. This mount is suitable for rifles Remington 700, 78 with a long action.
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 rifles Remington 700, 78 short-action (SA) can also be mounted on rifles Remington 700, 78 long-action (LA)). One-piece mounts will only fit a rifle with a specific action length (a one-piece mount made for rifles Remington 700, 78 short-action (SA) will not fit rifles Remington 700, 78 long-action (LA)).
Rifles Remington 700, 78 LA (long-action), Mauser M96, Mauser M97, Sauer 100, Sauer 101, Bergara B14 (LA), Haenel Jäger 10 and Roessler Titan 16 have actions of the same dimensions, which is why they share the same mounts.
A: 21.9 mm
B: 92.3 mm
C: 15.3 mm
BHU: 2.9 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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